You may at times wonder about the causes of flu. Flu Infections are usually caused by airborne transmission. To understand details on causes of flu you must first understand the basic flu facts. Knowing about the causes of flu can help you in preventing yourself from getting the flu and its symptoms. So, its very important to know about causes of flu and how they affect you and your loved ones.
The flu is very different from a cold. A cold can be caused because of 100 different viruses but flu is caused only by the influenza virus. Later, we will give details of the types of influenza viruses, which is the only cause of this contagious disease.
Firstly, flu is spread by inhaling a respiratory droplet from a flu infected person. The flu virus gets an opportunity to enter into other individual's bodies when they breathe in infectious droplets expelled by the infected person while coughing or sneezing.
Secondly, flu is spread by indirect contact with a contaminated object. The virus gets on the hands of the uninfected person while touching any object, which was earlier touched by an infected person. The flu virus enters into the body of an uninfected person by touching eyes, ears, nose, and mouth making him/her ill.
Flu can also be caused by the items infected with respiratory secretions.
Influenza virus attacks your respiratory tract that as a result causes soreness and rashes. These viruses frequently change with time. Because of the constant change in viral RNA, it is able to avoid the resistant system in our bodies.
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