This article explores the reasons behind the increased incidence of colds during the winter months. It debunks the myth that cold temperatures directly cause colds but explains how factors like colder air, dry humidity, and increased indoor gatherings contribute to the spread of respiratory viruses.
A mixture of colder temperatures, lower humidity and more time spent indoors could explain the uptick in cold viruses during the winter holidays. You’ve probably heard “Don’t go outside in the winter with your hair wet or without a coat; you’ll catch a cold.” That’s not exactly true. As with many things, the reality is more complicated. Here’s the distinction: Being cold isn’t why you get a cold.
But it is true that cold weather makes it easier to catch respiratory viruses such as the cold and flu. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.with a background in public health, I’m often asked about infectious disease spread, including the relationship between cold and catching a cold. So here’s a look at what actually happens. - the usual culprit for the common cold – influenza, and SARS-CoV-2, the virus that causes COVID-19, remain infectious longer and replicate faster in colder temperatures and. This, coupled with the fact that people spend more time indoors and in close contact with others during cold weather, are common reasons that germs are more likely to spread. change the outer membrane It’s not just cold winter air that causes a problem. Air that is dry in addition to cold has been linked to flu outbreaks. That’s because further helps the influenza virus to remain infectious longer. Dry air, which is common in the winter, causes the water found in respiratory droplets to evaporate more quickly. This results in smaller particles, which are capable of may adversely affect the immune response in your respiratory tract, which makes it easier for viruses to take hold. That’s why wearing a scarf over your nose and mouth may help prevent a cold because it warms the air that you inhale. Instead, people spend more time indoors. That usually means more close contact with others, which leads to disease spread
WINTER COLD VIRUSES INFECTIOUS DISEASES HUMIDITY
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