Open that window! Because fresh air can help lessen the spread of a virus and prevent infections

University Kebangsaan Malaysia researchers have shown that the virus causing Covid-19 can remain in the air for up to eight hours in enclosed, poorly-ventilated spaces. This is why it is so important to open the window and bring in fresh air from outside. — dpa

Wash your hands. Since the start of the Covid-19 pandemic, we’ve heard that constantly. But tell me, how often do you hear: “Open the window”?

We’ve fussed over sanitising, sterilising and disinfecting to prevent the virus from spreading. But what about ventilation? Where is the fuss to bring fresh air to indoor spaces to clear contaminated air?