Should people who got the Johnson & Johnson COVID-19 vaccine consider getting a booster shot of Pfizer-BioNTech or Moderna?
The idea recently entered public discussion. Dr. Angela Rasmussen, a virologist based in Canada, tweeted that she received a booster shot of the Pfizer vaccine “to top off the J&J vaccine I received in April,” citing a number of unanswered questions about how protective the one-dose shot is against the ultra-contagious Delta variant of the coronavirus.
About the same time, some at UC San Francisco suggested there was no need to get a booster. The idea was even broached on a podcast hosted by Andy Slavitt, a former federal advisor on the government’s pandemic response.
Dr. Anthony Fauci, the U.S. government’s top infectious diseases expert, said on NBC’s “Meet the Press” that there’s not enough data for the federal government to recommend a booster for people who received the Johnson & Johnson vaccine.
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