An Unwelcome Visitor Returns This #Summer. Hint: It’s #Covid. #Heatwaves are sending people to #airconditioned indoor spaces, where Covid transmits more easily compared with outside. Summer travel alsos plays a role, as people crowd into #airports and bring germs along with them crisscrossing world. #Covid19 hospitalizations as of July 15 are up 10.3% from previous week, according to #CDC. Emergency department visits are up 7% and test positivity rose to 6.3% from 5.8%. https://www.wsj.com/articles/covid-19-rates-rising-summer-780ab1d7
