The more contagious Delta variant of COVID-19 now makes up 83% of sequenced samples in the United States, US Centers for Disease Control and Prevention Director Dr. Rochelle Walensky said Tuesday.
Vaccination rates in the country have stalled though. Less than half of the US population is fully vaccinated, according to CDC data, and the majority of those who are not vaccinated are not at all likely to get vaccinated, according to a poll published Tuesday by Axios-Ipsos. The average of new daily cases this week is up 66% from last week and 145% from two weeks ago, as cases surge in 44 states, according to data from Johns Hopkins University. In addition, hospitalizations are up 26% from last week.The most recent data from Israel evaluating effectiveness of the Pfizer/BioNTech mRNA vaccine against the Delta variant found the vaccine to be 64% protective against infection, and that the vaccine is 93% effective in preventing severe disease and hospitalizations.
Even if parents are vaccinated, wearing a mask in areas of high transmission risk is"the right thing to do," he said. Murthy -- the father of two children, ages 3 and 4 -- said he takes such precautions because"I want to take every possible measure to protect my child." On Monday, the American Academy of Pediatrics released new guidance for schools that supports in-person learning and recommends universal masking in schools for everyone over the age of 2.
And when there is a high rate of virus spread in a community and a low proportion of vaccinated people,"you really want to go the extra step, the extra mile, to make sure that there's not a lot of transmission, even breakthrough infections among vaccinated individuals," Fauci said."They just want to be extra safe."
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