Covid-19 cases in the United States have fallen more than 95% from their peak in January, and on Friday, Hawaii will become the last state to roll back its indoor mask mandate. Testing has slowed, and states are scaling back on reporting surveillance data, too.
원문출처 : https://www.cnn.com/2022/03/25/health/covid-surveillance-still-matters/index.html
원문출처 : https://www.cnn.com/2022/03/25/health/covid-surveillance-still-matters/index.html