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World scrambles as potency of new COVID variant studied

The White House said the U.S. will restrict travel from South Africa and seven other countries in the region beginning Monday.

 
Nevada student suing over university vaccination mandates

A student who says he is immune from COVID-19 because he already had it is suing the University of Nevada, Reno, the governor and others over the state’s vaccine requirement.

 
Pfizer wants approval for promising COVID-19 pill

Pfizer asked U.S. regulators Tuesday to authorize its experimental pill for COVID-19, setting the stage for a likely launch this winter of a promising treatment that can be taken at home.

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