A stomach bug has been sweeping through the UK, and it seems especially virulent. Hospital wards have been closed to new patients because wards are full. Crazy! If you have a stomach bug, do you know when you become contagious and for how long? Take this three question quiz to see. I was surprised by the answers and you may be too.
How Contagious Are You?
How long does it take for you to become symptomatic after being exposed to the norovirus, which is the most common stomach bugs for adults.