To GP's point, your initial reply said:
> SARS-CoV-2: strain of SARS-CoV
GP was pointing out that this was incorrect, and you just made that point by stating it yourself.
Assuming you are intending to engage in the conversation and not be a pedant, I might let you know that your replies are coming across quite coarsely. More specifically, as to prefaces on earlier comments, there is no need to excuse incivility, because there is no need for incivility here.