Since neither of you cited anything, webmd says parent is right. Looks like you're only off by a factor of 100x. If you're going to call someone out for inconsistencies, might want to get your data right?

> Coronavirus. These tend to do their dirty work in the winter and early spring. The coronavirus is the cause of about 20% of colds. There are more than 30 kinds, but only three or four affect people.

https://www.webmd.com/cold-and-flu/cold-guide/common_cold_ca...