It’s cold and flu season and most of us will encounter a virus at some point. So, how does our immune system work to keep us ...

Reports of flu-like illnesses increase in the winter months ... “We tend to be less active in the winter and therefore our immune system’s slightly less robust,” says Dr Bowers.

Influenza, commonly known as flu, is a viral infection of the respiratory system. It can cause symptoms like runny nose, sore throat, cough, headaches, tiredness, fever, vomiting, and diarrhea.

I mean, it’s not like there is no human influenza ... for example, rising as flu season approaches. It is this system, by the way, that led to the detection of a still-unexplained H5N1 case ...