Flu also known as influenza is a respiratory tract infection, due to the entry of viruses in our body. Even the most common and simple flu virus can make you feel extremely uneasy and disrupt your normal life activities.Â It is contagious infection and sweeps through entire communities.
The invasion by flu differs in symptoms of the common cold, which is also a respiratory infection.Â People suffering from flu would have complained of fever, headache, body aches and extreme exhaustion caused by the virus.
The Centers for Disease Control and Prevention in America has estimated that 5 to 20 percent of people suffer with the flu during the change of season. The probability of infection is higher from November to March. Children are more susceptible to catch infection. Suffer with flu virus in children is easily transmitted and spread to each other. Generally, people recover from the illness after a definite duration, but sometimes people are hospitalized and even die. It has been estimated that approximately 36,000 people die from the flu and suffer complications in the body every year.
Flu outbreaks are sudden and mostly infect in months close to winters. The disease takes a toll as an epidemic.Â The number of patients suffering show maximum symptoms in about 3 weeks and symptoms subside after 3 or 4 weeks. Most the population of a community is affected. Schools are most prone to the flu viruses attack and spread to the families with an estimated average of one-third of the family members catching infection each year.
The flu is a risky disease as it can cause serious complications. Most people get well within a weeks time but cough and fatigue may linger. For aged people, newborn babies, and people already suffering chronic illness, the flu and its influence can be fatal.