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Influenza Influenza is an infectious disease of the respiratory tract caused by the specific virus of the genus Orthomyxovirus. It is a highly contagious infection, that affects all age groups. Influenza is most dangerous in the very young, the elderly and people with chronic diseases. It is probably the last remaining world wide infection of humans. Influenza is also known as the flu or grippe. The flu results from three different types of the virus …

…A or B types. Vaccination is considered especially important for older people, patients with cardiac or respiratory diseases, pregnant women. Influenza can be a very serious virus. It can cause, or worsen other severe diseases. In some cases, death may result. It is very important to get a vaccination, to prevent the flu. Those attacked by the virus, should treat it. They should also be very careful to stop the spread of Influenza. ------------------------------------------------------------------------ **Bibliography**