Bivalent Boosters for Young Children Are Elusive. The Search Is On for Ways to Improve Access.
It’s Theo’s* first time in the snow. Wide-eyed, he totters outside holding his father’s hand. Sarah Holmes feels great joy in watching her 18-month-old son experience the world, “His genuine wonder and excitement gives me so much hope.”
In the summer of 2021, two months after Theo was born, Holmes, a behavioral health provider in Nebraska lost her grandparents to COVID-19. Both were vaccinated and thought they could unmask without any risk. “My grandfather was a veteran, and really trusted the government and faith leaders saying that COVID-19 wasn’t a threat anymore,” she says.” The state of emergency in Louisiana had ended and that was the message from the people they respected. “That is what killed them.”
The current official public health messaging is that regardless of what variant is circulating, the best way to be protected is to get vaccinated. These warnings no longer mention masking, or any of the other Swiss-cheese layers of mitigation that were prevalent in the early days of this ongoing pandemic.
The problem with the prevailing, vaccine centered strategy is that if you are a parent with children under five, barriers to access are real. In many cases, meaningful tools and changes that would address these obstacles are lacking, such as offering vaccines at more locations, mandating masks at these sites, and providing paid leave time to get the shots.
Children are at risk
Data presented at the most recent FDA advisory panel on COVID-19 vaccines showed that in the last year infants under six months had the third highest rate of hospitalization. “From the beginning, the message has been that kids don’t get COVID, and then the message was, well kids get COVID, but it’s not serious,” says Elias Kass, a pediatrician in Seattle. “Then they waited so long on the initial vaccines that by the time kids could get vaccinated, the majority of them had been infected.”
A closer look at the data from the CDC also reveals that from January 2022 to January 2023 children aged 6 to 23 months were more likely to be hospitalized than all other vaccine eligible pediatric age groups.
“We sort of forced an entire generation of kids to be infected with a novel virus and just don't give a shit, like nobody cares about kids,” Kass says. In some cases, COVID has wreaked havoc with the immune systems of very young children at his practice, making them vulnerable to other illnesses, he said. “And now we have kids that have had COVID two or three times, and we don’t know what is going to happen to them.”
Jumping through hurdles
Children under five were the last group to have an emergency use authorization (EUA) granted for the COVID-19 vaccine, a year and a half after adult vaccine approval. In June 2022, 30,000 sites were initially available for children across the country. Six months later, when boosters became available, there were only 5,000.
Currently, only 3.8% of children under two have completed a primary series, according to the CDC. An even more abysmal 0.2% under two have gotten a booster.
Ariadne Labs, a health center affiliated with Harvard, is trying to understand why these gaps exist. In conjunction with Boston Children’s Hospital, they have created a vaccine equity planner that maps the locations of vaccine deserts based on factors such as social vulnerability indexes and transportation access.
“People are having to travel farther because the sites are just few and far between,” says Benjy Renton, a research assistant at Ariadne.
Michelle Baltes-Breitwisch, a pharmacist, and her two-year-old daughter, Charlee, live in Iowa. When the boosters first came out she expected her toddler could get it close to home, but her husband had to drive Charlee four hours roundtrip.
This experience hasn’t been uncommon, especially in rural parts of the U.S. If parents wanted vaccines for their young children shortly after approval, they faced the prospect of loading babies and toddlers, famous for their calm demeanor, into cars for lengthy rides. The situation continues today. Mrs. Smith*, a grant writer and non-profit advisor who lives in Idaho, is still unable to get her child the bivalent booster because a two-hour one-way drive in winter weather isn’t possible.
It can be more difficult for low wage earners to take time off, which poses challenges especially in a number of rural counties across the country, where weekend hours for getting the shots may be limited.
Protect Their Future (PTF), a grassroots organization focusing on advocacy for the health care of children, hears from parents several times a week who are having trouble finding vaccines. The vaccine rollout “has been a total mess,” says Tamara Lea Spira, co-founder of PTF “It’s been very hard for people to access vaccines for children, particularly those under three.”
Seventeen states have passed laws that give pharmacists authority to vaccinate as young as six months. Under federal law, the minimum age in other states is three. Even in the states that allow vaccination of toddlers, each pharmacy chain varies. Some require prescriptions.
It takes time to make phone calls to confirm availability and book appointments online. “So it means that the parents who are getting their children vaccinated are those who are even more motivated and with the time and the resources to understand whether and how their kids can get vaccinated,” says Tiffany Green, an associate professor in population health sciences at the University of Wisconsin at Madison.
Green adds, “And then we have the contraction of vaccine availability in terms of sites…who is most likely to be affected? It's the usual suspects, children of color, disabled children, low-income children.”
It can be more difficult for low wage earners to take time off, which poses challenges especially in a number of rural counties across the country, where weekend hours for getting the shots may be limited. In Bibb County, Ala., vaccinations take place only on Wednesdays from 1:45 to 3:00 pm.
“People who are focused on putting food on the table or stressed about having enough money to pay rent aren't going to prioritize getting vaccinated that day,” says Julia Raifman, assistant professor of health law, policy and management at Boston University. She created the COVID-19 U.S. State Policy Database, which tracks state health and economic policies related to the pandemic.
Most states in the U.S. lack paid sick leave policies, and the average paid sick days with private employers is about one week. Green says, “I think COVID should have been a wake-up call that this is necessary.”
Maskless waiting rooms
For her son, Holmes spent hours making phone calls but could uncover no clear answers. No one could estimate an arrival date for the booster. “It disappoints me greatly that the process for locating COVID-19 vaccinations for young children requires so much legwork in terms of time and resources,” she says.
In January, she found a pharmacy 30 minutes away that could vaccinate Theo. With her son being too young to mask, she waited in the car with him as long as possible to avoid a busy, maskless waiting room.
Kids under two, such as Theo, are advised not to wear masks, which make it too hard for them to breathe. With masking policies a rarity these days, waiting rooms for vaccines present another barrier to access. Even in healthcare settings, current CDC guidance only requires masking during high transmission or when treating COVID positive patients directly.
“This is a group that is really left behind,” says Raifman. “They cannot wear masks themselves. They really depend on others around them wearing masks. There's not even one train car they can go on if their parents need to take public transportation… and not risk COVID transmission.”
Yet another challenge is presented for those who don’t speak English or Spanish. According to Translators without Borders, 65 million people in America speak a language other than English. Most state departments of health have a COVID-19 web page that redirects to the federal vaccines.gov in English, with an option to translate to Spanish only.
The main avenue for accessing information on vaccines relies on an internet connection, but 22 percent of rural Americans lack broadband access. “People who lack digital access, or don’t speak English…or know how to navigate or work with computers are unable to use that service and then don’t have access to the vaccines because they just don’t know how to get to them,” Jirmanus, an affiliate of the FXB Center for Health and Human Rights at Harvard and a member of The People’s CDC explains. She sees this issue frequently when working with immigrant communities in Massachusetts. “You really have to meet people where they’re at, and that means physically where they’re at.”
Equitable solutions
Grassroots and advocacy organizations like PTF have been filling a lot of the holes left by spotty federal policy. “In many ways this collective care has been as important as our gains to access the vaccine itself,” says Spira, the PTF co-founder.
PTF facilitates peer-to-peer networks of parents that offer support to each other. At least one parent in the group has crowdsourced information on locations that are providing vaccines for the very young and created a spreadsheet displaying vaccine locations. “It is incredible to me still that this vacuum of information and support exists, and it took a totally grassroots and volunteer effort of parents and physicians to try and respond to this need.” says Spira.
Kass, who is also affiliated with PTF, has been vaccinating any child who comes to his independent practice, regardless of whether they’re one of his patients or have insurance. “I think putting everything on retail pharmacies is not appropriate. By the time the kids' vaccines were released, all of our mass vaccination sites had been taken down.” A big way to help parents and pediatricians would be to allow mixing and matching. Any child who has had the full Pfizer series has had to forgo a bivalent booster.
“I think getting those first two or three doses into kids should still be a priority, and I don’t want to lose sight of all that,” states Renton, the researcher at Ariadne Labs. Through the vaccine equity planner, he has been trying to see if there are places where mobile clinics can go to improve access. Renton continues to work with local and state planners to aid in vaccine planning. “I think any way we can make that process a lot easier…will go a long way into building vaccine confidence and getting people vaccinated,” Renton says.
Michelle Baltes-Breitwisch, a pharmacist, and her two-year-old daughter, Charlee, live in Iowa. Her husband had to drive four hours roundtrip to get the boosters for Charlee.
Michelle Baltes-Breitwisch
Other changes need to come from the CDC. Even though the CDC “has this historic reputation and a mission of valuing equity and promoting health,” Jirmanus says, “they’re really failing. The emphasis on personal responsibility is leaving a lot of people behind.” She believes another avenue for more equitable access is creating legislation for upgraded ventilation in indoor public spaces.
Given the gaps in state policies, federal leadership matters, Raifman says. With the FDA leaning toward a yearly COVID vaccine, an equity lens from the CDC will be even more critical. “We can have data driven approaches to using evidence based policies like mask policies, when and where they're most important,” she says. Raifman wants to see a sustainable system of vaccine delivery across the country complemented with a surge preparedness plan.
With the public health emergency ending and vaccines going to the private market sometime in 2023, it seems unlikely that vaccine access is going to improve. Now more than ever, ”We need to be able to extend to people the choice of not being infected with COVID,” Jirmanus says.
*Some names were changed for privacy reasons.
Astronauts at the International Space Station today depend on pre-packaged, freeze-dried food, plus some fresh produce thanks to regular resupply missions. This supply chain, however, will not be available on trips further out, such as the moon or Mars. So what are astronauts on long missions going to eat?
Going by the options available now, says Christel Paille, an engineer at the European Space Agency, a lunar expedition is likely to have only dehydrated foods. “So no more fresh product, and a limited amount of already hydrated product in cans.”
For the Mars mission, the situation is a bit more complex, she says. Prepackaged food could still constitute most of their food, “but combined with [on site] production of certain food products…to get them fresh.” A Mars mission isn’t right around the corner, but scientists are currently working on solutions for how to feed those astronauts. A number of boundary-pushing efforts are now underway.
The logistics of growing plants in space, of course, are very different from Earth. There is no gravity, sunlight, or atmosphere. High levels of ionizing radiation stunt plant growth. Plus, plants take up a lot of space, something that is, ironically, at a premium up there. These and special nutritional requirements of spacefarers have given scientists some specific and challenging problems.
To study fresh food production systems, NASA runs the Vegetable Production System (Veggie) on the ISS. Deployed in 2014, Veggie has been growing salad-type plants on “plant pillows” filled with growth media, including a special clay and controlled-release fertilizer, and a passive wicking watering system. They have had some success growing leafy greens and even flowers.
"Ideally, we would like a system which has zero waste and, therefore, needs zero input, zero additional resources."
A larger farming facility run by NASA on the ISS is the Advanced Plant Habitat to study how plants grow in space. This fully-automated, closed-loop system has an environmentally controlled growth chamber and is equipped with sensors that relay real-time information about temperature, oxygen content, and moisture levels back to the ground team at Kennedy Space Center in Florida. In December 2020, the ISS crew feasted on radishes grown in the APH.
“But salad doesn’t give you any calories,” says Erik Seedhouse, a researcher at the Applied Aviation Sciences Department at Embry-Riddle Aeronautical University in Florida. “It gives you some minerals, but it doesn’t give you a lot of carbohydrates.” Seedhouse also noted in his 2020 book Life Support Systems for Humans in Space: “Integrating the growing of plants into a life support system is a fiendishly difficult enterprise.” As a case point, he referred to the ESA’s Micro-Ecological Life Support System Alternative (MELiSSA) program that has been running since 1989 to integrate growing of plants in a closed life support system such as a spacecraft.
Paille, one of the scientists running MELiSSA, says that the system aims to recycle the metabolic waste produced by crew members back into the metabolic resources required by them: “The aim is…to come [up with] a closed, sustainable system which does not [need] any logistics resupply.” MELiSSA uses microorganisms to process human excretions in order to harvest carbon dioxide and nitrate to grow plants. “Ideally, we would like a system which has zero waste and, therefore, needs zero input, zero additional resources,” Paille adds.
Microorganisms play a big role as “fuel” in food production in extreme places, including in space. Last year, researchers discovered Methylobacterium strains on the ISS, including some never-seen-before species. Kasthuri Venkateswaran of NASA’s Jet Propulsion Laboratory, one of the researchers involved in the study, says, “[The] isolation of novel microbes that help to promote the plant growth under stressful conditions is very essential… Certain bacteria can decompose complex matter into a simple nutrient [that] the plants can absorb.” These microbes, which have already adapted to space conditions—such as the absence of gravity and increased radiation—boost various plant growth processes and help withstand the harsh physical environment.
MELiSSA, says Paille, has demonstrated that it is possible to grow plants in space. “This is important information because…we didn’t know whether the space environment was affecting the biological cycle of the plant…[and of] cyanobacteria.” With the scientific and engineering aspects of a closed, self-sustaining life support system becoming clearer, she says, the next stage is to find out if it works in space. They plan to run tests recycling human urine into useful components, including those that promote plant growth.
The MELiSSA pilot plant uses rats currently, and needs to be translated for human subjects for further studies. “Demonstrating the process and well-being of a rat in terms of providing water, sufficient oxygen, and recycling sufficient carbon dioxide, in a non-stressful manner, is one thing,” Paille says, “but then, having a human in the loop [means] you also need to integrate user interfaces from the operational point of view.”
Growing food in space comes with an additional caveat that underscores its high stakes. Barbara Demmig-Adams from the Department of Ecology and Evolutionary Biology at the University of Colorado Boulder explains, “There are conditions that actually will hurt your health more than just living here on earth. And so the need for nutritious food and micronutrients is even greater for an astronaut than for [you and] me.”
Demmig-Adams, who has worked on increasing the nutritional quality of plants for long-duration spaceflight missions, also adds that there is no need to reinvent the wheel. Her work has focused on duckweed, a rather unappealingly named aquatic plant. “It is 100 percent edible, grows very fast, it’s very small, and like some other floating aquatic plants, also produces a lot of protein,” she says. “And here on Earth, studies have shown that the amount of protein you get from the same area of these floating aquatic plants is 20 times higher compared to soybeans.”
Aquatic plants also tend to grow well in microgravity: “Plants that float on water, they don’t respond to gravity, they just hug the water film… They don’t need to know what’s up and what’s down.” On top of that, she adds, “They also produce higher concentrations of really important micronutrients, antioxidants that humans need, especially under space radiation.” In fact, duckweed, when subjected to high amounts of radiation, makes nutrients called carotenoids that are crucial for fighting radiation damage. “We’ve looked at dozens and dozens of plants, and the duckweed makes more of this radiation fighter…than anything I’ve seen before.”
Despite all the scientific advances and promising leads, no one really knows what the conditions so far out in space will be and what new challenges they will bring. As Paille says, “There are known unknowns and unknown unknowns.”
One definite “known” for astronauts is that growing their food is the ideal scenario for space travel in the long term since “[taking] all your food along with you, for best part of two years, that’s a lot of space and a lot of weight,” as Seedhouse says. That said, once they land on Mars, they’d have to think about what to eat all over again. “Then you probably want to start building a greenhouse and growing food there [as well],” he adds.
And that is a whole different challenge altogether.
The Science of Why Adjusting to Omicron Is So Tough
We are sticking our heads into the sand of reality on Omicron, and the results may be catastrophic.
Omicron is over 4 times more infectious than Delta. The Pfizer two-shot vaccine offers only 33% protection from infection. A Pfizer booster vaccine does raises protection to about 75%, but wanes to around 30-40 percent 10 weeks after the booster.
The only silver lining is that Omicron appears to cause a milder illness than Delta. Yet the World Health Organization has warned about the “mildness” narrative.
That’s because the much faster disease transmission and vaccine escape undercut the less severe overall nature of Omicron. That’s why hospitals have a large probability of being overwhelmed, as the Center for Disease Control warned, in this major Omicron wave.
Yet despite this very serious threat, we see the lack of real action. The federal government tightened international travel guidelines and is promoting boosters. Certainly, it’s crucial to get as many people to get their booster – and initial vaccine doses – as soon as possible. But the government is not taking the steps that would be the real game-changers.
Pfizer’s anti-viral drug Paxlovid decreases the risk of hospitalization and death from COVID by 89%. Due to this effectiveness, the FDA approved Pfizer ending the trial early, because it would be unethical to withhold the drug from people in the control group. Yet the FDA chose not to hasten the approval process along with the emergence of Omicron in late November, only getting around to emergency authorization in late December once Omicron took over. That delay meant the lack of Paxlovid for the height of the Omicron wave, since it takes many weeks to ramp up production, resulting in an unknown number of unnecessary deaths.
We humans are prone to falling for dangerous judgment errors called cognitive biases.
Widely available at-home testing would enable people to test themselves quickly, so that those with mild symptoms can quarantine instead of infecting others. Yet the federal government did not make tests available to patients when Omicron emerged in late November. That’s despite the obviousness of the coming wave based on the precedent of South Africa, UK, and Denmark and despite the fact that the government made vaccines freely available. Its best effort was to mandate that insurance cover reimbursements for these kits, which is way too much of a barrier for most people. By the time Omicron took over, the federal government recognized its mistake and ordered 500 million tests to be made available in January. However, that’s far too late. And the FDA also played a harmful role here, with its excessive focus on accuracy going back to mid-2020, blocking the widespread availability of cheap at-home tests. By contrast, Europe has a much better supply of tests, due to its approval of quick and slightly less accurate tests.
Neither do we see meaningful leadership at the level of employers. Some are bringing out the tired old “delay the office reopening” play. For example, Google, Uber, and Ford, along with many others, have delayed the return to the office for several months. Those that already returned are calling for stricter pandemic measures, such as more masks and social distancing, but not changing their work arrangements or adding sufficient ventilation to address the spread of COVID.
Despite plenty of warnings from risk management and cognitive bias experts, leaders are repeating the same mistakes we fell into with Delta. And so are regular people. For example, surveys show that Omicron has had very little impact on the willingness of unvaccinated Americans to get a first vaccine dose, or of vaccinated Americans to get a booster. That’s despite Omicron having taken over from Delta in late December.
What explains this puzzling behavior on both the individual and society level? We humans are prone to falling for dangerous judgment errors called cognitive biases. Rooted in wishful thinking and gut reactions, these mental blindspots lead to poor strategic and financial decisions when evaluating choices.
These cognitive biases stem from the more primitive, emotional, and intuitive part of our brains that ensured survival in our ancestral environment. This quick, automatic reaction of our emotions represents the autopilot system of thinking, one of the two systems of thinking in our brains. It makes good decisions most of the time but also regularly makes certain systematic thinking errors, since it’s optimized to help us survive. In modern society, our survival is much less at risk, and our gut is more likely to compel us to focus on the wrong information to make decisions.
One of the biggest challenges relevant to Omicron is the cognitive bias known as the ostrich effect. Named after the myth that ostriches stick their heads into the sand when they fear danger, the ostrich effect refers to people denying negative reality. Delta illustrated the high likelihood of additional dangerous variants, yet we failed to pay attention to and prepare for such a threat.
We want the future to be normal. We’re tired of the pandemic and just want to get back to pre-pandemic times. Thus, we greatly underestimate the probability and impact of major disruptors, like new COVID variants. That cognitive bias is called the normalcy bias.
When we learn one way of functioning in any area, we tend to stick to that way of functioning. You might have heard of this as the hammer-nail syndrome: when you have a hammer, everything looks like a nail. That syndrome is called functional fixedness. This cognitive bias causes those used to their old ways of action to reject any alternatives, including to prepare for a new variant.
Our minds naturally prioritize the present. We want what we want now, and downplay the long-term consequences of our current desires. That fallacious mental pattern is called hyperbolic discounting, where we excessively discount the benefits of orienting toward the future and focus on the present. A clear example is focusing on the short-term perceived gains of trying to return to normal over managing the risks of future variants.
The way forward into the future is to defeat cognitive biases and avoid denying reality by rethinking our approach to the future.
The FDA requires a serious overhaul. It’s designed for a non-pandemic environment, where the goal is to have a highly conservative, slow-going, and risk-averse approach so that the public feels confident trusting whatever it approved. That’s simply unacceptable in a fast-moving pandemic, and we are bound to face future pandemics in the future.
The federal government needs to have cognitive bias experts weigh in on federal policy. Putting all of its eggs in one basket – vaccinations – is not a wise move when we face the risks of a vaccine-escaping variant. Its focus should also be on expediting and prioritizing anti-virals, scaling up cheap rapid testing, and subsidizing high-filtration masks.
For employers, instead of dictating a top-down approach to how employees collaborate, companies need to adopt a decentralized team-led approach. Each individual team leader of a rank-and-file employee team should determine what works best for their team. After all, team leaders tend to know much more of what their teams need, after all. Moreover, they can respond to local emergencies like COVID surges.
At the same time, team leaders need to be trained to integrate best practices for hybrid and remote team leadership. Companies transitioned to telework abruptly as part of the March 2020 lockdowns. They fell into the cognitive bias of functional fixedness and transposed their pre-existing, in-office methods of collaboration on remote work. Zoom happy hours are a clear example: The large majority of employees dislike them, and research shows they are disconnecting, rather than connecting.
Yet supervisors continue to use them, despite the existence of much better methods of facilitating colalboration, which have been shown to work, such as virtual water cooler discussions, virtual coworking, and virtual mentoring. Leaders also need to facilitate innovation in hybrid and remote teams through techniques such as virtual asynchronous brainstorming. Finally, team leaders need to adjust performance evaluation to adapt to the needs of hybrid and remote teams.
On an individual level, people built up certain expectations during the first two years of the pandemic, and they don't apply with Omicron. For example, most people still think that a cloth mask is a fine source of protection. In reality, you really need an N-95 mask, since Omicron is so much more infectious. Another example is that many people don’t realize that symptom onset is much quicker with Omicron, and they aren’t prepared for the consequences.
Remember that we have a huge number of people who are asymptomatic, often without knowing it, due to the much higher mildness of Omicron. About 8% of people admitted to hospitals for other reasons in San Francisco test positive for COVID without symptoms, which we can assume translates for other cities. That means many may think they're fine and they're actually infectious. The result is a much higher chance of someone getting many other people sick.
During this time of record-breaking cases, you need to be mindful about your internalized assumptions and adjust your risk calculus accordingly. So if you can delay higher-risk activities, January and February might be the time to do it. Prepare for waves of disruptions to continue over time, at least through the end of February.
Of course, you might also choose to not worry about getting infected. If you are vaccinated and boosted, and do not have any additional health risks, you are very unlikely to have a serious illness due to Omicron. You can just take the small risk of a serious illness – which can happen – and go about your daily life. If doing so, watch out for those you care about who do have health concerns, since if you infect them, they might not have a mild case even with Omicron.
In short, instead of trying to turn back the clock to the lost world of January 2020, consider how we might create a competitive advantage in our new future. COVID will never go away: we need to learn to live with it. That means reacting appropriately and thoughtfully to new variants and being intentional about our trade-offs.