Coming off of a longer winter than usual in Karachi, and an unforgiving one in Winter, we’re shaking off the last leg of our common colds and flu’s. Despite bundling up in our thick coats and scarves, we get sick inevitably and never know what to do. It gets in the way of our work, and it’s time we figured out what causes it. Is it the antibiotics or the doses of Vitamin C that’s going to fix our runny noses? Let’s see how well informed you really are about this common illness! Take our quiz below.