9th Class Science Why do we fall Ill? Question Bank 9th CBSE Science Why do we fall Ill?

  • question_answer
                        Write the full form of AIDS, what is its causative agent? How does AIDS spread? How can it be prevented?

    Answer:

     AIDS ? Acquired Immuno Deficiency Syndrome. This disease is caused by Human Immuno deficiency Virus (HIV).                                    AIDS disease spreads among human beings by following ways (i) Through blood transfusion. (ii) Through the use of infected needle infection.    (iii) Through unprotected sex or sexual contact with an infected person carrying AIDS virus. It can be prevented by (i) Educating people about AIDS transmission. (ii) Avoiding sexual contact with unknown person.  (iii) Using disposable syringes and needles.  


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