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Why Do People Get More Colds in Winter vs Summer


It may come to you as a surprise as to why people get sick during winter. You’re outside on an unexpectedly chilly day. You forgot to keep warm when you ventured outside, and now you’re shivering. It could be that the cold weather doesn’t make you sick, germs do, but it can create conditions that are conducive for bacteria.

These four reasons may surprise you why more people get sick during the cold weather as opposed to warm weather.


You’re indoors more.

When it’s cold outside, all the windows, doors are tightly with lots of time spent indoors. In this situation, you are likely to breathe the same air as everyone else. If someone has the flu, you will be very susceptible to it. People may get sick more frequently when they stay in poorly ventilated and humid rooms or offices. It happens because the germs in the droplets from a sneeze can survive better in dry air.

You’re exposed to more germs.

Staying indoors exposes you to more germs. Bacteria thrive on doorknobs, sink faucets, keyboards and other items that your colleagues, family or kids are probably touching. You should wash your hands frequently, as it is the top defense when it comes to staying healthy in the winter. In winter, the days are shorter, and lack of sunlight leads to low levels of vitamin D and melatonin hence compromising the immune systems, which lowers the ability to fight disease.


The flu virus transmits faster.

The flu virus survives better in drier, colder climates, and therefore can infect more people. The flu virus spreads much more rapidly when it’s cold outside because the lipid coating of the virus becomes tougher at freezing temperatures. It implies that the virus is more active and more resilient.

Your feet are cold.

Cold feet may lower your immune. Chilled feet can make the blood vessels in the nose to constrict, which in turn will lower your immune response. Now you know why people often put on socks whenever it is cold. It not only prevents the cold but also fights disease.

freezing family of three with cups of tea warming near warm radiator in home
freezing family of three with cups of tea warming near warm radiator in home

These four reasons may come as a surprise to many. Now you know what to do to keep disease at bay when it is cold. Keep your space well ventilated, avoid humid rooms, keep warm and minimize exposure to bacteria.