What is viral disease /what are all the causes for viral diseases/explain about the causes of viral diseases /explain about the symptoms of viral diseases

 Virus are infectious organisms that invade and replicate themselves inside living cells,  once  they enter the body they spread to the other parts of the body, through blood stream .They infect all the body tissues but certain viruses attack specific organs/tissues like herpes viruses infects the skin.

TYPES OF VIRUSES CAUSING VIRAL DISEASES:

                   Rotavirus,                                 

                  Hepatitis virus

                  Ebola virus

                   Influenza virus,

                   Cold virus,

                 Herpes virus

                  Polio virus,

                   wart virus

Causes: eating contaminated food, drinking contaminated water, close contact with an infected person, through sharing of food, razors needles of an infected person .Through transfusion o f contaminated blood. From the bite of an infected bite, dirty toilets &surroundings.

Symptoms:

 Rashes, shivering chills, high fever, sore throat, running nose, diarrhoea and vomiting.
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