“Now we need 85 に 95% vaccinated against Delta,” 彼が言った USAトゥデイ.
Tom McCarthy, the head of the Rhode Island Department of Health COVID Response Unit, also put the number at about 90%, citing the Delta variant, 報告された論文.
博士. アンソニー・ファウチ, the head of the National Institute of Allergy and Infectious Diseases, told The New York Times in an interview published in December said that between 70% そして 90% アメリカの. population would need to get inoculated (or vaccinated) against COVID-19 in order for the country to reach herd immunity.
“We really don’t know what the real number is. I think the real range is somewhere between 70 に 90 パーセント. だが, I’m not going to say 90 パーセント,” 彼はその時に言った.
Herd immunity is when a large percentage of a specific population becomes immune to a virus; immunity can happen naturally or by way of ワクチン to prevent viral infections like the flu and COVID-19.
約 56 percent of the U.S., または 185 million are considered to be fully vaccinated.
“We have to concentrate on continuing to get those numbers down and not try to jump ahead by weeks or months and say what we’re going to do at a particular time,” ファウチは言った.
フォックス・ニュース’ Audrey Conklin contributed to this report