a reference for you to know his study. 80% is from Diamond princess which is part of his study.
Link: https://www.nytimes.com/2020/03/20/opinion/coronavirus-pandemic-social-distancing.html
a reference for you to know his study. 80% is from Diamond princess which is part of his study.
Link: https://www.nytimes.com/2020/03/20/opinion/coronavirus-pandemic-social-distancing.html