The Delta variant is the fastest, fittest and most formidable version of the coronavirus that causes Covid-19 the world has encountered, and it is upending assumptions about the disease even as nations loosen restrictions and open their economies, ...
Vaccine protection remains very strong against severe disease and hospitalizations caused by any version of the coronavirus, and those most at risk are still the unvaccinated, according to interviews with 10 leading COVID-19 experts.
U.S. officials are considering whether to revise mask guidance for the vaccinated. Los Angeles County, the most populous in the United States, is again requiring masks even among the vaccinated in indoor public spaces. Public Health England said on Friday that of a total of 3,692 people hospitalized in Britain with the Delta variant, 58.3% were unvaccinated and 22.8% were fully vaccinated.
Dr. Monica Gandhi, an infectious diseases doctor at the University of California, San Francisco, said many vaccinated people are"so disappointed" that they are not 100% protected from mild infections. But the fact that nearly all Americans hospitalized with COVID-19 right now are unvaccinated"is pretty astounding effectiveness," she said."There is always the illusion that there is a magic bullet that will solve all our problems.
"You may actually excrete more virus and that's why it's more transmissible. That's still being investigated," Peacock said.
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