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US surpasses 24 million Covid-19 cases

Patrick Semansky/Pool/AFP/Getty Images
Patrick Semansky/Pool/AFP/Getty Images

Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, said on Monday that people should stick with two full doses of vaccine, given the appropriate number of days apart.

Speaking at the Choose Healthy Life Black Clergy Conclave, Fauci maintained that the “proper, scientifically validated approach” for both the Pfizer/BioNTech and Moderna vaccines is to receive a full dose, followed 21 and 28 days later, respectively, by another full dose.

Fauci said an experiment evaluating different dosing regimens was recently carried out in people ages 18 to 55. The results showed that when a half dose was given followed by a booster half dose, the level of antibodies produced was comparable to if someone was given two full doses.

“However, that is not clinical proof that they are equally comparable in protecting you,” Fauci said. “So, even though this was something that was done in a combination of curiosity and to see if we may have to go there, we are not recommending a half dose followed by a half dose.”

“Even though that’s interesting and it’s laboratory data, it is not backed up by a correlate of protection, which we may be able to do some time, but not now,” he said. “Bottom line, stick with full dose, followed by full dose.”

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