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Public Health

The World Health Organization classified a new COVID-19 strain as a variant of concern Aug. 30. The strain, named mu, was first detected in Colombia in January, according to the WHO's  weekly COVID-19 epidemiological update. 

Sixty-five health systems in the U.S. have signed a pledge from America's Essential Hospitals to equitably distribute the COVID-19 vaccine, the organization said Sept. 1.

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Researchers have identified a new COVID-19 variant called C.1.2. in South Africa that appears to have similar mutations as other variants of concern, according to research published Aug. 26 in preprint server medRxiv. 

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