How many different strains of Coronavirus are there?


There are 7 strains that can affect humans; 4 of these strains are the common human coronavirus that cause mild upper respiratory type symptoms – cold like symptoms. The 3 other coronaviruses cause more serious lower respiratory symptoms. They are known as MERS-CoV, SARS-CoV and SARS-COV 2 (COVID-19)

Category: COVID-19