How does flu virus spread?

influenza virus affects the lungs and upper airways. The virus is commonly called influenza , most often spread from man to man. When a person infected with a virus sneezes or cough, the virus can be handed over to the air -uninfected person in small saliva droplets. Skin contact to the skin can also spread influenza virus. Other symptoms include loss of appetite, nausea and extreme lethargy. Sneezing and dry cough may also be present. Blocked or rhymed nose is another common symptom of the influenza virus. It usually takes about two days for the symptoms to occur after infection. The crash remains infectious for at least five days after the flu symptoms appear.

Influenza virus is ophthen think of a common cold, but the flu affects the lungs much more than colds. Older people and people with a weak immune system are very sensitive to influenza virus. The virus is most often spreading during the winter months.

Influenza virus is classified into three categories: A, B and C. Type A is the most serious and usually occurs every two or three years. Type A is susceptible to mutation and regularly creates trunks on which people do not have resistance. Flu type A has caused many epidemics and is also responsible for pandemics in which the whole continents are affected.

Type B virus is responsible for minor outbreaks of infection. If you have been infected with type B once, then your immune system will successfully withstand this type of virus for many years. Type B usually infects children aged five to 14 years old who has never been infected before.

Flu

type C virus is a very mild trunk of infection. Symptoms of type C are similar to symptoms of common colds. The influenza virus is usually treated with a bed and a lot of fluids. If you have a weakened immune system, your doctor may prescribe antiviral drugs to help fight the virus.