In the context of "trying to do research on coronaviruses" your comment appears to be not only correct but an important distinction, rather than the pedantry it appears to be.
From Wikipedia: "...more lethal varieties [of coronaviruses] can cause SARS, MERS, and COVID-19."
And...
"Severe acute respiratory syndrome coronavirus 2 [SARS-CoV-2] is the strain of coronavirus..."
I learned something today!