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Booster may be needed for those with Johnson & Johnson COVID-19 vaccine shot as Delta variant spreads

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  • Booster may be needed for those with Johnson & Johnson COVID-19 vaccine shot as Delta variant spreads
    26 Jun 2021 08:35AM (Updated: 26 Jun 2021 08:40AM)
    NEW YORK: Infectious disease experts are weighing the need for booster shots of the Pfizer/BioNTech or Moderna mRNA-based vaccines for Americans who received Johnson & Johnson's one-dose vaccine due to the increasing prevalence of the more contagious Delta coronavirus variant.

    A few say they have already done so themselves, even without published data on whether combining two different vaccines is safe and effective or backing from US health regulators. Canada and some European countries are already allowing people to get two different COVID-19 shots.

    The debate centres on concerns over how protective the J&J shot is against the Delta variant first detected in India and now circulating widely in many countries.
    Andy Slavitt, former senior pandemic advisor to US President Joe Biden, raised the idea this week on his podcast. At least half a dozen prominent infectious disease experts said US regulators need to address the issue in short order.

    "There's no doubt that the people who receive the J&J vaccine are less protected against disease," than those who get two doses of the other shots, said Stanford professor Dr Michael Lin. "From the principle of taking easy steps to prevent really bad outcomes, this is really a no brainer."

    The CDC is not recommending boosters, and advisers to the agency said at a public meeting this week there is not yet significant evidence of declining protection from the vaccines...

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