Question

write very briefly about the following number 1. BCG 2. incubation period 3. chicken pox 4. hepatitis A

Answer 1

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✯ BCG: Bacillus Calmette Guerin vaccine is used for tuberculosis. it is the only vaccine available for it. it is usually given to children and is not given to adults.

✯ incubation period: it is the period between the time when there is entrance of pathogens in our body and the time when the first signs of particular disease are seen.

✯ chicken pox: it is caused by varicella zoster virus { infection }. it can be prevented by vaccine. the skin gets itchy blister like rashes.

✯ hepatitis A: it is a type of liver infection caused by the hepatitis A virus.
 it can be transmitted from one person to other through direct contact, contaminated food and drinks.


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hope it helps :)