A new study by the US Centers for Disease Control and Prevention showed that three-quarters of individuals who became infected with COVID-19 at ...
WorldSyringes with the Pfizer vaccine are prepared for a coronavirus disease (COVID-19) vaccine clinic aimed at youths ages 12 or older at La Colaborativa in Chelsea, Massachusetts, on Jun 11, 2021. (Photo: REUTERS/Brian Snyder)31 Jul 2021 02:54AMShare this content
BookmarkWASHINGTON: Three quarters of people infected with COVID-19 at public events in a Massachusetts town were fully vaccinated, a study by the US Centers for Disease Control and Prevention (CDC) showed.The study, published on Friday without naming the town, suggested the Delta variant of the virus was highly contagious.
AdvertisementAdvertisementThe study found vaccinated individuals had a similar amount of virus presence as the unvaccinated, suggesting that, unlike with other variants, vaccinated people infected with the Delta variant could transmit the virus, the CDC said. headtopics.com
CDC Director Rochelle Walensky said this was a"pivotal discovery" leading to CDC's recommendation this week that masks be worn in areas where cases were surging as a precaution against possible transmission by fully vaccinated people."The masking recommendation was updated to ensure the vaccinated public would not unknowingly transmit virus to others, including their unvaccinated or immunocompromised loved ones," Walensky said.
Overall, 79% of the vaccinated individuals who were infected with COVID-19 also reported symptoms such as cough, headache, sore throat and fever. Four had to be hospitalized.AdvertisementAdvertisementVaccinated individuals had received one of the three available shots made by Pfizer and BioNTech, Moderna or Johnson & Johnson, the data showed.
A separate CDC internal document, first reported by the Washington Post, described the Delta variant as being as transmissible as chickenpox and cautioned it could cause severe disease.The new study's authors recommended local health authorities consider requiring masks in indoor public settings regardless of vaccination status or the number of cases in the community.
Multiple events in the town in Barnstable county, Massachusetts had attracted thousands of tourists from across the country.Advertisement Read more: CNA »
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Majority of COVID-19 cases at large public events were among vaccinated -U.S. CDC studyThe study, published on Friday, showed that three-quarters of those infected were fully vaccinated, suggesting the Delta variant of the virus is highly contagious. A separate CDC internal document, first reported by the Washington Post on Friday, described the Delta variant as being as transmissible as chickenpox and cautioned it could cause severe disease. The study identified 469 people with COVID-19, 74% of whom were fully vaccinated, following large public events in the state's Barnstable County.
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