(Reuters) – Herd immunity against the novel coronavirus could require vaccination rates approaching as high as 90%, Dr. Anthony Fauci, the most prominent U.S. infectious disease expert, said in an interview published on Thursday in The New York Times. More than 1 million Americans have received a first dose of a vaccine since Dec. 14, according to the U.S. Centers for Disease Control, or only about 0.3% of the population. Fauci, who is advising both President Donald Trump and President-elect Joe Biden on the pandemic, acknowledged that he had increased his estimates from earlier in the year, when […]