![]() ![]() Rochelle Walensky, director of the CDC, said in a statement. “These findings should offer hope to the millions of Americans receiving COVID-19 vaccines each day and to those who will have the opportunity to roll up their sleeves and get vaccinated in the weeks ahead,” Dr. The study is the agency’s first to analyze how well the vaccines worked among working-age front-line adults, who are at a higher risk of being exposed to the virus and spreading it. The results are similar to what scientists saw in clinical trials for the vaccines, which found that two doses of either two-dose vaccine had an efficacy rate of around 95 percent. Without infection, people are unable to spread the virus. Following a single dose of either vaccine, the participants’ risk of infection was reduced by 80 percent, and that figure jumped to 90 percent after the second dose. locations against the virus and more-contagious variants. ![]() Researchers looked at how the shots protected nearly 4,000 health-care workers, first responders, and other essential workers toiling in eight U.S. Walensky was referring to a new CDC study that suggests those fully inoculated with the vaccines produced by Moderna and Pfizer don’t transmit the virus. That’s “not just in the clinical trials, but it’s also in real-world data.” Rochelle Walensky, director of the CDC, told MSNBC’s Rachel Maddow on Tuesday. “Vaccinated people do not carry the virus - they don’t get sick,” Dr. Photo: Grant Hindsley/AFP via Getty ImagesĪfter warning for months that vaccinated people should still be cautious in order to not infect others, the Centers for Disease Control and Prevention suggests they may not be at much risk of transmitting the coronavirus.
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