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Vanderbilt professionals explain challenge of 2 doses COVID-19 vaccine

November 18, 2020. Summarized by summa-bot.

Health professionals at Vanderbilt University Medical Center say they are ready for a vaccine. But a one dose has more advantages than two doses.

But a one dose has more advantages than two doses. “Once ACIP (Advisory Committee on Immunizations Practices) has made a recommendation on a safe and effective vaccine, I’ll be rolling up my sleeve to get one,” Dr. David Aronoff, Director of the Division of Infectious Diseases at Vanderbilt University Medical Center, said. But a vaccine with two doses, such as Moderna and Pfizer’s, has its issues. “There really isn’t a vaccine manufacturer who wants to be giving two doses of a vaccine,” Aronoff said. Aronoff explains with each patient needing two vaccines.

“So, we know who’s had a shot, who hasn’t, when they are due for a second one. ”Aronoff explains if a company has 50 million doses of a vaccine and must be given twice; that’s only 25 million people that need to be immunized. If a patient gets one shot, experts said there will be some immunity, but not the full effect. “Clearly, a second immunization boosts that immunity to levels that are now being shown to be 90 to 94% or 95% effective at preventing reinfection,” Aronoff said. Professionals said if someone has been infected with COVID-19 already, they aren’t sure if they need to be vaccinated since they weren’t part of vaccine trials.

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