Question

(a) Write the full form of AIDS.
(b) Write two ways by which AIDS can spread.
(c) Name the pathogen which cause common cold
(d) Mention the vaccine which prevents T.B.​

Answer 1

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(a)AIDS stands for Acquired immune deficiency syndrome....

(b)It can be passed through one person to another...

(c)Rhinoviruses. is the pathogen which causes common cold..

(d)BCG, or bacille Calmette-Guerin, is a vaccine for tuberculosis (TB) disease...

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Answer 2

(a) AIDS-:Acquired Immunity Deficiency Syndrome.

(b) 1. AIDS is spread only in certain body fluids from a person who has HIV. These fluids are blood, semen, pre-seminal fluids, rectal fluids, vaginal fluids, and breast milk.
2. In the United States, HIV is spread mainly by having sex or sharing injection drug equipment, such as needles, with someone who has HIV.