Got a cold? Here’s how your immune system is fighting it. The human body’s defensive lineup is impressive—from made-to-order antibodies to natural-born killers.

A well-forecasted reinforcing shot of cold air is still expected to arrive Tuesday. This system is currently in the Pacific Northwest, producing light rain and snow showers.

The best way to differentiate a cold and the flu is if you have a fever – and if you’re experiencing gastrointestinal symptoms, such as vomiting or diarrhoea, which can sometimes occur with ...