Essay on Influenza

568 Words Feb 20th, 2018 2 Pages
Influenza is caused by a contagious virus that is spread by fluids of coughing, sneezing and direct eye contact from surfaces where serious infection and death occur around the world mostly in winter. Someone who gets the disease, inhale the virus or touch the germs from objects including computer keyboards and telephones and then touching their mouths and nose. Influenza viruses spread from person to person and people are able to pass the flu to others even before they are sick themselves.
Viruses are the cause of influenza. The names of these viruses are influenza virus A, B and C. These virus put together are called Orthomyxoviridae. Influenza A and B cause major disease whilst influenza C causes a common cold illness. A virus is found in different animals such as ducks, chickens, pigs and horses. This virus is the worst of the three and is spread by people who are already infected. Surfaces that have been touched by an infected person, rooms they have previously been in and where someone who is affected by this disease sneezes are causes of this virus. B virus are found among humans … Groups A and B are responsible for causing the epidemics of flu that occur almost every year. Influenza C is different in several ways because it causes mild to no symptoms and doesn't cause the yearly epidemics.
Symptoms develop one to three days after the virus infection and usually the worst…

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