Write a note on AIDS.
Answers
Answer:
Acquired immune deficiency syndrome is viral disease cused by Human immuno virus or HIV virus
Explanation:
AIDS is transamitted to healthy person by blood transfusion,unprotected sexual contact and also by HIV virus.HIV virus is a RNA virus and contain an enzyme known reverse transcriptase that helps in the formation of DNA from mRNA ,the mRNA then undergo translation in the cytoplasm of the host cell resulting in the formation of new virus particles. The are two types stage in AIDS
1 chronic stage which is asymtomatic
2 acute stage which causes severe ill effect after a week of infection.
in AIDS the T helper cell count is reduced drastically to very low level which decreases the activity of immune system of HIV affected person
AIDS:
AIDS is also called as Acquired Immunodeficiency Syndrome is a very life-threatening disease. It is caused by a CD4 attacking virus called HIV or Human Immunodeficiency Virus.
It is a virus that spreads utilizing spreading infected body fluid like blood, lymph, vaginal fluid, semen, etc. This is caused by sharing needles, razors, having a sexual relationship with an infected person or multiple partners, etc.
The introduction of virus attacks the CD4+ cells of body like WBCs and reproduces utilizing degradation of them. This lessens number of WBCs as well as increases the number of viruses. This decreases immunity.