Home > Newsletters > Need to Know > Other people’s pens can transmit viruses Updated 19 July 2016 Action point 0 Don't smoke! Heavy smokers get more severe and frequent colds. Even being around smoke compromises the immune system, your body's defence against germs. For the latest on flu jabs and cold remedies, visit the Cold & Flu Centre. More: Need to KnowOther people’s pens can transmit viruses advertisement Other news Sex These foods are all natural aphrodisiacs Medical SA's hungry children could have this problem later on News Is almond milk good for you? Medical This man recognised and treated his own heart attack Medical 5 home remedies for fungal infections News Is this new ‘triple pill’ the answer to high blood pressure? From our sponsors Managing diabetes in the workplace Back-to-school with diabetes Live healthier Effects on your brain? » 5 ways to get more seafood into your diet Mercury in fish may raise ALS risk Is it bad for your brain if you literally never eat fish? Calling all grown-ass picky eaters! Eeewwww! » ‘Why is my cough worse at night?’ SEE: When you cough, this is what happens to your body Can you get sick if someone coughs on you? The fine saliva mist emitted by a cough remains suspended in the air for up to 10 minutes.