WHITE HOUSE OUTLINES PEDIATRIC VAX STRATEGY — The Biden administration began telegraphing this week how it expects to distribute — and educate the public about — Covid-19 vaccines for children under 5, should the FDA and CDC authorize and recommend the shots next week. Officials are already signaling what anyone looking at the vaccination rates for older kids might expect: They're playing the long game. The administration expects most parents to have their pediatricians or primary care providers immunize their kids, but it's also working to ensure vaccines will be available at health centers, rural health clinics, children's hospitals and pharmacies to ensure access for people who may not have, as the National Association of County and City Health Officials' Adriane Casalotti put it, "a medical home." Officials also anticipate that appointments could be difficult to come by in the vaccination effort's early days. Still, the preorder numbers to date are low. The administration is initially making 10 million doses available, with millions more to come in the following weeks. But of the 5 million offered for preorder last week, less than half were snapped up, a senior administration official said Wednesday. Most were Pfizer-BioNTech vaccines even though an equal number of those shots and Moderna's were offered. It's also unclear what might happen if the FDA and CDC opt to authorize and/or recommend one vaccine over the other. Kids ages 6 months to 5 years are the only pediatric population that might have two vaccines to choose from at the outset. Data reported by the companies suggest that Pfizer's three-dose series offers greater efficacy against symptomatic disease than Moderna's two-shot regime, but Pfizer is expected to submit updated effectiveness data once more kids in its trial develop Covid post-third dose. "Should we end up with only one vaccine authorized, which we're not anticipating or prejudging whether that might happen, we will adjust supply accordingly," said Dawn O'Connell, HHS' assistant secretary for preparedness and response. Trusted messengers: HHS is collaborating with several organizations — including the American Academy of Pediatrics, the Association of Children's Museums and local community-focused groups — to launch a public education campaign that would answer the questions of parents who may be undecided about inoculating their young children against Covid-19. Vaccine confidence "builds with trusted voices, physicians, faith leaders, others helping people get vaccinated," said White House Covid Response Coordinator Ashish Jha. "This is not a one-and-done; this is not an automatic." CDC schedules advisory meeting: CDC's independent vaccine advisory committee will discuss pediatric Covid-19 vaccines on June 17 and 18, Katherine reports. The agendas will likely be finalized after FDA's vaccine advisory committee meets Tuesday and Wednesday. MODERNA ANNOUNCES PROMISING RESULTS FROM OMICRON-SPECIFIC BOOSTER — An Omicron-specific booster shot from Moderna produced a superior immune response in adults against the variant than the original booster, the company said Wednesday. Moderna executives will be presenting early data at the FDA's independent advisory committee meeting discussing future boosters later this month, although the group will consider fall boosters more broadly. In a conference call, Moderna president Stephen Hoge said the company would also study the bivalent shot as boosters and a primary series for children. "We have patients in our under-5 studies who have received placebo, and we have an opportunity to cross them over and give them a bivalent vaccine," he said. FDA ADVISERS RECOMMEND NOVAVAX SHOT — FDA's independent vaccine advisers overwhelmingly voted to recommend emergency use authorization of Novavax's two-dose Covid-19 vaccine as a primary series for adults on Tuesday. Committee members signaled interest in bolstering the U.S.' immunization arsenal with an option made using different vaccine technology — in this case, a protein-based product — that may appeal to the vaccine-hesitant and those with other reasons for choosing not to receive messenger RNA shots. But it's unclear when the FDA will make a final call on authorizing the vaccine. Novavax told the FDA it had changed the manufacturing process for its vaccine after the agency scheduled Tuesday's advisory committee meeting, FDA spokesperson Abby Capobianco said. The company submitted an amendment to its EUA request on June 3 with updated manufacturing and product information, meaning the FDA will need to review additional data before making a decision.
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