<unk>  is a phrase that refers to the idea that men, when they have a common cold, experience and self-report symptoms of greater severity, akin to those experienced during the<unk> . While it is a commonly used phrase in much of the English-speaking world, there is a continuing discussion over the scientific basis.
Man flu
London flu
Cholera belt
Spanish flu
Pest house
Bird Flu
Hong Kong flu
Freshers' flu