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Researchers discovered that Johnson & Johnson receivers who received a Moderna booster experienced a 76-fold increase in their antibody levels, compared with a fourfold increase after a second Johnson & Johnson dosage. Next week, a vaccine advisory panel to the Centers for Disease Control and Prevention will make its own recommendation on Johnson & Johnson boosters. People need to consult with their physicians about whether it makes sense to get a Johnson & Johnson booster as quickly as it is licensed or wait for a possible mRNA booster, Dr. Schaffner said.

Scientists found that Johnson & Johnson receivers who received a Moderna booster experienced a 76-fold boost in their antibody levels, compared with a fourfold boost after a second Johnson & Johnson dosage. At Friday’s conference, Dr. Ofer Levy, director of the Precision Vaccines Program at Boston Children’s Hospital and a member of the advisory committee, encouraged regulators to move quickly, keeping in mind that lots of Johnson & Johnson receivers had actually already looked for out unauthorized mRNA boosters on their own. Next week, a vaccine advisory panel to the Centers for Disease Control and Prevention will make its own recommendation on Johnson & Johnson boosters. It is possible