Fauci Warns Delaying Second Vaccine Dose Could Breed More Covid Variants

Date: 2021-02-08 19:46:13

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Dr. Anthony Fauci is cautioning against deviating from the two dose regimen for the approved coronavirus vaccines, warning that delaying the second dose in an effort to speed vaccinations to more people could increase the number of potentially dangerous variants.

Speaking at a White House briefing, the nation’s top infectious disease expert expressed concern that the immune response to the virus may be weaker without the “booster” shot.

He added that, “The way viruses respond to pressure, you could actually be inadvertently selecting for more mutants by a suboptimum response.”

Fauci said altering the three-week interval between doses for the Pfizer vaccine and four weeks for the Moderna shot should only be recommended after rigorous scientific study. But he said that the months it would take to gather the data would largely render the outcome “moot.”

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