6 COVID-19 Updates: 1st South Africa variant reinfection case confirmed; UK variant likely deadlier, scientists say (Becker’s Hospital Review)

The nation’s weekly COVID-19 case average is falling at a much faster rate than the number of tests taken, reports The COVID Tracking Project. 

Since Jan. 12, the seven-day case average has dropped by 63.7 percent, compared to the average testing rate, which has fallen 17.5 percent, according to the Tracking Project.

Five more updates: 

1. Seven coronavirus variants found across the U.S. have the same mutation, according to a study published Feb. 14 on preprint server medRxiv. The seven growing lineages have evolved a mutation in the same genetic letter. It’s unclear if the variants are more contagious. The study has yet to be peer reviewed.