Why do more people get it around the time when it gets cold? I can tell from personal experience I get cold symptoms when i don’t dress properly when it’s getting colder, or if I spend too much time in a room with AC in the summer. But it’s caused by a virus. What does the temperature have to do with the cold virus?
Also, is the virus wasn’t present would it be possible for us to spend time in cold weather without getting sick?
In: Biology
Okay many people gave good reasons like we are more inside. One more reason is that your Mucous membranes are dryer. That makes it easier for viruses and bacteria to enter and infect you. Thats why your nose produces slime. The viruses and bacteria are getting stuck in the slime and your immunesystem can clear them out.
Also it is more humid, so (some) bacteria and virsues do not dry out and die, rather are longer active of surfaces.
So theire are many reasons. Usually our bodies are well armed to fight off infections.
If you want to know more about the immunesystem and how it works, have a look at the kurzgesagt yt channel. Those two videos are really great at explaining whats going on.
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