Nothing, but they don't know the strain yet. BTW, COVID-19 is the name of the disease, Coronavirus Disease 2019. The virus is SARS-Cov-2 (Severe acute respirat

Nothing, but they don't know the strain yet. BTW, COVID-19 is the name of the disease, Coronavirus Disease 2019. The virus is SARS-Cov-2 (Severe acute respiratory syndrome coronavirus).