As doctors worry about a coronavirus-and-flu "twin-demic" that could overwhelm the health care system, Americans must contend with another possibility: fighting both viruses at the same time.
원문출처 : https://www.cnn.com/2020/09/11/health/covid-flu-together-health-impact/index.html
원문출처 : https://www.cnn.com/2020/09/11/health/covid-flu-together-health-impact/index.html