Influenza is a contagious flu that affects the respiratory system. It usually starts with fever, weakness, cold sweat and cough and these symptoms lasts up to three days.
* Once the fever reduces the sufferer might experience severe weakness and suffer from low body temperature for some time and other complications might arise due to this condition.
* Complications such as bronchitis, pneumonia, inflamed eyes, etc, might arise due to this condition and in extreme cases this might also lead to death of a person.
* Influenza is a viral infection and there are three kinds of viruses that cause influenza classified as virus A, virus B and virus C. Vaccine is developed against the type A and B viruses.
* This vaccine helps anti bodies develop in the body that fight against this virus. Doctors might prescribe drugs for complications caused by this condition also. It not necessary that this condition might affect a person only once, a person who already had suffered from this condition in the past is likely to develop it again.
* Influenza usually occurs in colder seasons of the year and this condition affects people equally all around the world. This disease is highly contagious during this part of the year, is more likely to spread by people sneezing and coughing. Getting vaccinated against this condition reduces the possibility of reoccurrence of this disease
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