“The C.D.C. director says new data about people who are infected but symptom-free could lead the agency to recommend broadened use of masks.”
“Credit … Johnny Milano for The New York Times
by Apoorva Mandavilli
“As many as 25 percent of people infected with the new coronavirus may not show symptoms, the director of the Centers for Disease Control and Prevention warns — a startlingly high number that complicates efforts to predict the pandemic’s course and strategies to mitigate its spread.
“In particular, the high level of symptom-free cases is leading the C.D.C. to consider broadening its guidelines on who should wear masks.
“‘This helps explain how rapidly this virus continues to spread across the country,’ the director, Dr. Robert Redfield, told National Public Radio in an interview broadcast on Tuesday.
“The agency has repeatedly said that ordinary citizens do not need to wear masks unless they are feeling sick. But with the new data on people who may be infected without ever feeling sick, or who are transmitting the virus for a couple of days before feeling ill, Mr. Redfield said that such guidance was ‘being critically re-reviewed.’”
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