I think long COVID is particularly bad because I think you are much more likely to get it from pretty normal activities if you’re not careful. Lyme disease, which the author of that comment mentions (citing this article), also looks common:
Recent estimates using other methods suggest that approximately 476,000 people may get Lyme disease each year in the United States.
I would guess that there aren’t that many others nearly as bad, but I haven’t really looked into it. I think colds, flus and food poisoning are much less severe and less common than COVID-19.
I think long COVID is particularly bad because I think you are much more likely to get it from pretty normal activities if you’re not careful. Lyme disease, which the author of that comment mentions (citing this article), also looks common:
I would guess that there aren’t that many others nearly as bad, but I haven’t really looked into it. I think colds, flus and food poisoning are much less severe and less common than COVID-19.