Question

22. What is common in AIDS, hepatitis and typhoid fever ?
(B) All are water borne diseases
(A) All are bacterial diseases
(D) All are spread by human beings
(C) All are viral diseases​

Answer 1

Answer:

typhoid is caused by salmonella typhi bactera

the remaining all are from viruses

option D is correct

and all are not viral and not spread by water and not all are bacterial

Answer 2

Answer:

D) All are spread by human beings..

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