Two-plus years into the Covid-19 pandemic, you probably know the basics of protection: vaccines, boosters, proper handwashing and masks. But one of the most powerful tools against the coronavirus is one that experts believe is just starting to get the attention it deserves: ventilation.
원문출처 : https://www.cnn.com/2022/04/10/health/covid-19-ventilation-matters-wellness/index.html
원문출처 : https://www.cnn.com/2022/04/10/health/covid-19-ventilation-matters-wellness/index.html