Even though the biopharmaceutical company Pfizer has announced that it might be time to consider giving a third dose of its coronavirus vaccine to people, many doctors and public health officials argue that it's more beneficial to get shots into the arms of the unvaccinated right now than to boost those who are already fully vaccinated.
Just hours after the Pfizer/BioNTech announcement was made, the FDA and US Centers for Disease Control and Prevention pushed back in an unprecedented joint statement emphasizing that people who are fully vaccinated"do not need a booster shot at this time" and people who are unvaccinated should"get vaccinated as soon as possible to protect themselves and their community."
"The companies are thinking about where the hockey puck is going," Adams said during an appearance on New Day."Whereas the government, FDA and CDC, are looking at where the hockey puck is right now. They want to reassure Americans your best protection still is a vaccine, and you still have great protection -- better than for the flu shot in any given year -- even in the face of variants and waning immunity.
"It's really unusual for a vaccinated person to be admitted to the hospital today for Covid-related illness, reinforcing the notion that these vaccines are still working against the variants," Schaffner said. The Delta variant now makes up more than half of all new COVID-19 infections in the United States, according to estimates from the CDC.
A rise in so-called breakthrough cases might offer a clue in the future, federal vaccine advisers said during a meeting in June. A"breakthrough" infection refers to COVID-19 cases that occur after someone has been fully vaccinated. In general,"what we are looking for is both a very careful look at breakthrough cases and also whether there is currently an uptick in the elderly -- that would be pretty clear because they are currently so well controlled," said ACIP member Dr. Sarah Long, a professor of pediatrics at Drexel University College of Medicine.
Among patients in the study who had no measurable antibodies after receiving two doses of vaccine, one-third of them saw a rise in antibodies after a third dose -- and among those with low antibody levels after two doses, all of them saw an increase after a third dose.
It means nothing if you have natural immunity
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