The Covid-19 pandemic has set back public health efforts by years. But in an interview, the tech philanthropist expressed hope about new avenues for foreign aid
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The money, part of $120 million owed in annual dues, will go to other agencies fighting flu and buying vaccines.
Most antibody tests are useful only for large population surveys, diagnosis in certain children or when initial diagnostic testing fails, according to an expert panel.
The E.P.A. has approved nootkatone, which is found in cedars and grapefruit. It repels ticks, mosquitoes and other dangerous bugs for hours, but is safe enough to eat.
There’s not just one coronavirus outbreak in the United States. Now there are many, each requiring its own mix of solutions.
Under new guidelines from the C.D.C., recovering coronavirus patients should be free to resume normal activity after 10 days, if they have no fever or other symptoms.
Dr. Thomas Frieden proposed uniform reporting guidelines for states. Experts said the C.D.C. should have done it months ago.
Stores are selling out of masks, and health care workers risk infection if they cannot get the protective gear.