Flu germs can spread through the air via droplets, so it is important to cover your mouth when you cough or sneeze to avoid infecting people around you. But there is a certain technique to it, and if you cover your mouth the wrong way, you're liable to spread germs.
Radio Sweden speaks to commuters on a chilly winter morning about their experiences with coughers and sneezers on the subway. Epidemiologist AnnaSara Carnahan, who works at the Public Health Agency, also demonstrates the right way to cough and explains the difference between how flu and cold germs spread.
The latest statistics from the Public Health Agency indicate that the number of cases between the end of December and the first week of 2018 was roughly level.