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Winter always accompanies a series of respiratory illnesses and influenza One of them, influenza caused by influenza viruses can be diagnosed all year round, but cases increase dramatically during autumn and winter one of the reasons is that the virus can live longer indoors in winter due to the lack of humid air.
According to a report by the Times of India, influenza is a contagious virus that affects the respiratory system and can be transmitted from one person to another through respiratory droplets suspended in the air during sneezing or coughing. There are four types of influenza viruses, among all influenza. A It is the most common, followed by influenza B and bothThey are highly contagious and can lead to severe symptoms such as coughing, headache, muscle and joint pain, and in severe cases, they can also exacerbate certain chronic medical conditions, such as asthma, heart disease and diabetes..
Influenza virus A
Influenza A viruses are the strongest and the only type that can cause a pandemic, mainly because they can affect humans as well as animals Wild birds usually act as a host for the virus, even bird and swine flu epidemics are caused by a type of influenza A virus, which can spread when sneezed The infected person is coughing, apart from that, people can also pick up the virus from surfaces that the infected person has touched.
influenza b
Unlike influenza A virus, influenza B viruses cause seasonal epidemics only, animals are usually not susceptible to infection with influenza B virus, moreover, viruses mutate B slower than influenza viruses A It is transmitted after contact with aerosol particles suspended in the air by an infected person.
diffusion
Of these two types, influenza A viruses are more common and account for about 75% of all confirmed influenza cases each year. B In less than 25% of confirmed cases, besides, cases of influenza caused by influenza A virus are prevalent at the beginning of the influenza season, while more influenza B cases are reported at the end..
infection
influenza virus A And B Very contagious Influenza viruses suspended in the air by an infected person can infect others from up to 6 feet or about two and a half meters, resulting in severe infection Small aerosol droplets can enter the other person’s nose or mouth and cause severe symptoms after contact The virus that causes influenza, a person begins to develop symptoms within two days.
Influenza viruses are most contagious in the first 3-4 days after illness.
The degree of danger
For those with a strong immune system, the flu does not lead to any severe symptoms. The condition is certainly unpleasant, but it can be controlled. The risk of severity is higher for immunocompromised people, the elderly, pregnant women, and infants. It is common for both influenza A and B viruses..
protection
Getting a flu shot before flu season starts is one of the best ways to protect yourself from flu viruses apart from that, cover your nose and mouth when coughing and sneezing, and stay away from those who show flu symptoms and wash your hands before touching your face and nose If you notice any flu symptoms, ask Medical help, rather than over-the-counter medication.
