Fully vaccinated Americans ‘don’t need booster shot’ for Delta variant, says US CDC & FDA
US regulators said on Thursday that Americans who have been fully vaccinated do not need a booster Covid-19 shot at this time.
Americans who are fully vaccinated do not need a booster shot at this time, according to the Centers for Disease Control and Prevention and the Food and Drug administration.
In a joint statement issued late Thursday, the two federal regulators said they are engaged in a “science-based, rigorous process to consider whether or when a booster might be necessary.”
"We are prepared for booster doses if and when the science demonstrates that they are needed", the US Food and Drug Administration (FDA) and the Centers for Disease Control and Prevention (CDC) said in a joint statement late on Thursday.
The statement stressed that available vaccines are effective, and that nearly all people hospitalized or dying from the virus are unvaccinated. The announcement came in the wake of news that Pfizer is about to seek US emergency authorization for a third dose of its Covid-19 vaccine, saying Thursday that another shot within 12 months could dramatically boost immunity, and “maybe” help ward off the latest worrisome delta mutant.
Pfizer Inc's top scientist said earlier the drugmaker plans to ask US regulators to authorize a booster dose of its Covid-19 vaccine within the next month.
Pfizer claims a booster shot would increase antibody levels in patients five or 10 times over, but conceded that overseas data shows fully vaccinated people are still 95 percent protected from severe disease.
On Tuesday, a US study revealed that Pfizer and Moderna vaccines are 91% effective in fighting against the Covid-19 virus. 91% effectiveness will be seen after two weeks of the second jab. The study also states that these vaccines can reduce the severity of symptoms and their duration in those who still get infected with it. On June 30, the research was published in the New England Journal of Medicine and showed the benefits of Covid-19 mRNA vaccines for the first time, even on those who still got infected after immunization.
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