Two weeks following the second dose, which is recommended for full protection, it was 88% effective.Īnd new results from a laboratory study showed the Moderna COVID-19 vaccine appears effective against the delta variant, with just a “modest reduction” in antibody levels compared to the original strain. The good news is that the currently available COVID-19 vaccines offer adequate protection against the delta variant and other variants of concern spreading in the U.S.Ī study from Public Health England found that three weeks after one dose, the Pfizer-BioNTech vaccine was 33% effective against symptomatic COVID-19 caused by the delta variant. But come winter, if we still have a significant percentage of the population that is unvaccinated, we’re going to see this virus surge again.” How well do COVID-19 vaccines work against the delta variant? “We’re feeling pretty good right now because it’s the summer. Paul Offit, an infectious disease specialist at Children’s Hospital of Philadelphia, told NPR. “Right now we have two Americas: the vaccinated and the unvaccinated America,” Dr.
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