has suffered a series of blows to its reputation as the pandemic has spread in the United States. Only in April, for example, did officials recommend face coverings for the public, after initially saying masks were not necessary. Dr. Paul Alexander, an adviser to Mr. Caputo who was highly critical of C.D.C. Mr. Trump last week lashed out at the agency’s director, Dr. Robert Redfield, after Dr. Redfield told a congressional hearing that a vaccine would not be widely available until the middle of next year. The latest incident concerns the spread of the virus by air through droplets and aerosols, which are tiny particles containing the virus that can stay aloft for long periods and travel farther than six feet.

Source: New York Times September 21, 2020 22:19 UTC