Do you think that the SARS-CoV 2 that caus COVID-19 in China is the same as the SARS-CoV 2 in the USA and Europe?

There is a difference in the Virulency, severity, and case fatality Rate of a pandemic COVID- 9 between Chinese patients, on the one hand, and patients in the USA and Europe ... What are the...

06 June 2020 313 0 View