Health experts blame the recent surges in Covid-19 cases on the low rate of vaccinations, and now the accelerating Delta variant is threatening to increase hospitalizations and deaths as well, an expert said.
원문출처 : https://www.cnn.com/2021/07/23/health/us-coronavirus-friday/index.html
원문출처 : https://www.cnn.com/2021/07/23/health/us-coronavirus-friday/index.html