New research suggests there may be biological reasons that we are at a significantly increased risk of getting sick when temperatures drop.
Does cold weather actually make you sick? - Faculty of Health Sciences
Cold Weather Affects Our Bodies in Surprising Ways
Is pandemic finally over? We asked the experts. — Harvard Gazette
Scientists say they know why people get more colds, flu in winter
Scientists Finally Figured Out Why We Get Sick More in Winter
The secrets of people who never get sick
What Will Cold-and-Flu Season Mean for the Coronavirus Pandemic
Does cold weather make you sick: What's the link?
Study: Why are colds more common in winter?