[rootusrootus]

> I've heard the argument

That was a beautiful strawman, and even one of the replies your comment walked right into it.

There aren't many human coronaviruses circulating to begin with. And they're not dangerous, aside from SARS-CoV-2. Of course there aren't any vaccines for them. Got pretty close on SARS & MERS before they fizzled on their own.

> It takes 5 to 10 years to create a safe and effective vaccine

How long do you think the leading SARS-CoV-2 vaccines have been in development? Years. It's not like they were dreamed up since February.