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

  • question_answer
      A virus enters the immune system of a patient and damages its function. (a) Name the disease a patient is suffering from. (b) Name the pathogen and two modes of transmission of this virus.

    Answer:

     (a) AIDS (Acquired Immuno Deficiency Syndrome)                            (b) HIV (Human Immuno deficiency Virus)  Two modes of transmission of AIDS are ? Sexual contact               ?Blood transfusion    


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