Tag: common cold
Health Check: does green mucus mean you’re infectious and need antibiotics?
When you have a cold or other respiratory illness, you might see a range of different colours of mucus or snot when you blow your nose. We’re often told – even by doctors – that green or yellow secretions indicate you’re infectious. But this isn’t tr
How to Get through Flu Season without Taking a Single Sick...
Beware of sniffling coworkers. Once a doorknob is contaminated with a virus, it's only a matter of hours before the germs spread to half of the surfaces in a building, finds a new University of Arizona study.
