Dr. Adrian Burrowes has seen hundreds of Covid-19 patients. But he's especially worried about what will happen this flu season -- even more so than last year.
원문출처 : https://www.cnn.com/2021/09/29/health/covid-flu-same-time/index.html
원문출처 : https://www.cnn.com/2021/09/29/health/covid-flu-same-time/index.html