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Tuesday, June 15, 2021

Can Vaccinated People Spread the Virus? We Don’t Know, Scientists Say.

The examine enrolled 3,950 well being care employees, emergency responders and others at excessive danger of an infection. The individuals swabbed their noses every week and despatched the samples in for testing, which allowed federal researchers to trace all infections, symptomatic or not. Two weeks after vaccination, the overwhelming majority of vaccinated folks remained virus-free, the examine discovered.

Follow-up information from medical trials assist that discovering. In outcomes launched by Pfizer and BioNTech on Wednesday, for instance, 77 individuals who acquired the vaccine had a coronavirus an infection, in contrast with 850 individuals who bought a placebo.

“Clearly, some vaccinated people do get infected,” Dr. Duprex stated. “We’re stopping symptoms, we’re keeping people out of hospitals. But we’re not making them completely resistant to an infection.”

The variety of vaccinated individuals who turn out to be contaminated is more likely to be greater amongst these receiving vaccines made by Johnson & Johnson and AstraZeneca, which have a decrease efficacy, specialists stated. (Still, these vaccines are value taking, as a result of they uniformly stop critical sickness and demise.)

Infection charges can also be greater amongst folks uncovered to a virus variant that may sidestep the immune system.

Cases throughout the nation are as soon as once more on the upswing, threatening a brand new surge. Dr. Walensky’s remark got here only a day after she made an emotional attraction to the American public to proceed taking precautions.

“I am asking you to just hold on a little longer, to get vaccinated when you can, so that all of those people that we all love will still be here when this pandemic ends,” she stated.

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