COVID-19 Update from the CDC – February 18 2021 11:01:06

#COVID19 vaccines currently used in the U.S. were shown in clinical trials to be 95% effective at preventing COVID-19 disease. CDC is evaluating how COVID-19 vaccines work in real-world conditions. Learn more: https://t.co/mcYekFn2OH. https://t.co/5DGNykVOcq