Kedl explained that there’s “a bit of a sliding scale,” depending on a person’s medical background, their age, and the time since their vaccine. “I could not believe the amount of antibody,” he said. ![]() As a volunteer for Moderna’s phase 3 vaccine trial, he decided one day to swab his nose to see what he could learn. Kedl began looking closely at the data around the topic before vaccines were approved. What Kedl does see is definitive proof that the vaccinated who have the infection pass along much less virus than the unvaccinated. But,” he added, “we do know what’s likely.” “People want a final word, a guarantee,” Ross Kedl, PhD, an immunologist at the University of Colorado School of Medicine, told Healthline. Rather, the information is evolving as more people are vaccinated and studied.Ĭould this mean a change in safety protocols such as mask mandates? ![]() That’s not because the CDC got it wrong, they add. ![]() This information may be useful when determining safety protocols such as mask mandates.ĬOVID-19 transmission from so-called “breakthrough infections” may be significantly lower than was earlier suggested.Įxperts say that they have looked at multiple studies on vaccinated people who’ve developed COVID-19 and have come to the conclusion that the Centers for Disease Control and Prevention (CDC) guidance on transmission from breakthrough cases may have been overstated.That may be due to the viral load in a vaccinated person’s nasal passage as well as the way COVID-19 vaccines attack the coronavirus.Some experts say that vaccinated people may be even less likely to transmit COVID-19 than previously thought.Share on Pinterest Experts say new research on vaccinated people and COVID-19 transmission can help in establishing safety protocols.
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