The cold and flu season of 2022 has begun with a vengeance. Viruses that have been unusually scarce over the past three years are reappearing at remarkably high levels, sparking a “tripledemic” of ...
The C.D.C. concedes that cloth masks do not protect against the virus as effectively as other masks.
The update in guidance comes as coronavirus cases continue to soar. By Apoorva Mandavilli The Centers for Disease Control and Prevention on Friday clarified its stance on various kinds of masks, ...
WASHINGTON, March 1, 2022 -- Like many other viruses, COVID-19 is transmitted primarily via particles carried in the air. An infected person breathes out particles containing the virus into the air, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results