Fauci, director of the National Institute of Allergy and Infectious Diseases, said the United States usually follows countries such as the United Kingdom, which has seen a surge in new cases recently as the Omicron ba.2 strain has spread.
Fauci noted that the surge in cases in the UK was driven by weakening immunity, in addition to the withdrawal of many mask rules and indoor environmental restrictions. And that’s true in the United States, too.
U.S. public health and virus experts expect BA.2 to trigger an increase in cases nationwide. As it is spring, people tend to spend time outdoors, which also poses great difficulties to epidemic prevention and control.
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For how many days in a row a person can use the same two straps mask?
Hi Sally, per CDC guideline, all N95 masks are disposable one and can be used within 8 hours.