I always get looks when i say colds are worse than chest infections, but think about it. A chest infection, you feel crappy, but once you diagnose it, you get on the ABs and start to feel better.
Colds hang around, make you feel congested and stuffed up, zap your energy and there's B all you can do about it but wait for it to be gone. Plus, they often end up giving up a chest infection!!!