Why do most viruses attack in winter only? You may not know the answer

The risk of flu increases significantly in winter, flu increases very rapidly in this season. This cold air can suddenly cause sneezing, runny nose or worse. It seems as if cold and flu germs arrive with the first shower of winter weather. Yet germs remain present throughout the year. Why are people more likely to catch colds, flu and now COVID-19 when it’s cold outside? Scientists have said that in winter we are more prone to respiratory diseases. Cold air causes a lot of damage to the immunity in the nose.

According to a 2022 study published in ‘The Journal of Allergy and Clinical Immunology’, lowering the temperature inside the nose by 9 degrees Fahrenheit (5 degrees Celsius) kills nearly 100 percent of the billions of helpful bacteria- and virus-fighting cells in the nose. 50% die.

Which viruses cause cold and cough?

1. Rhinovirus

According to the American Lung Association, about 40% of cold and cough cases are caused by rhinovirus only. Which is called common cold or cold.

2. corona virus

Corona was present even before the Covid 19 pandemic in 2019-20. There are many types i.e. strains of it. The Corona epidemic was a new strain of it. Due to this, problems like cold and cough also occur. According to WHO, sometimes symptoms of common cold are seen but in severe cases, Sarv Acute Respiratory Syndrome (SARS) means problems with lungs and breathing. One of its variants is called SARS-CoV 2, which was the cause of Covid 19.

3. Adenovirus

There are more than 50 types of adeno viruses. Due to this, problems like cold and cough occur, but sometimes in serious cases, pneumonia or lung infection can also occur. This can also cause conjunctivitis or pink eye. This should never be taken lightly.

Also read: You are taking pills to sleep, quit immediately otherwise you will lose your kidney and liver.

4.RSV

Symptoms of cold caused by RSV are common but sometimes it can also become serious. Therefore it should never be ignored. Most of the times these get cured on their own but if they persist for a long time then one should immediately consult a doctor.

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