With government support, three coronavirus vaccines are expected to be studied in large-scale clinical trials in the next three months. “The best thing we have done is measles, which is 97 to 98 percent effective,” said Fauci, director of the National Institute of Allergy and Infectious Diseases. “That would be …
Read More »The Covid-19 vaccine may not obtain herd immunity if too many people refuse to receive it, Fauci says.
