Can cats get colds?

Yes, cats can get colds. The symptoms are like ours but the viruses causing the cold are different; herpesvirus and calicivirus. The cause upper respiratory infections which people refer to as URIs.

That's it really in terms of answering the question in the title. You can read about feline viruses on this page.

The best disinfectant is bleach. However there is a link between bleach and infections in kids.

Some breeders use L-lysine to help manage persistent herpes virus infections (read more).

The feline herpes virus is a bit of a monster in causing a lot of ill-health. There are many pages on it.