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Question : 84 of 101
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Concept:- Any condition which interferes with the normal functioning of the body and causes disorder of the body and mind is called a disease.
- The organisms that cause disease are called pathogens.
- The disease can be broadly divided into two types:
- Infectious diseases - These are diseases that can be spread from one person to another. Eg. HIV, Tetanus, Hepatitis-B.
- Non-Infectious disease - These are diseases that cannot be spread from one person to another. Eg. Cancer.
​​Explanation:- AIDS stands for Acquired Immuno Deficiency Syndrome (AIDS)
- It was first reported in the U.S.A in 1981.
- It is caused by the Human Immunodeficiency Virus (HIV).
- HIV belongs to the group retrovirus.
- It has an RNA genome enclosed in an envelope.
- Transmission of HIV occurs in the following ways:
- By sexual contact with an infected person.
- By transfusion of contaminated blood and blood products
- By sharing infected needles.
- From the infected mother to her child through the placenta.
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