Among the following sets of diseases and their general causes, which one is correctly matched?

Options :
  1. Diphtheria, Pneumonia and Leprosy; Hereditary.
  2. AIDS, Syphilis and Gonorrhoea; Bacterial.
  3. Colour blindness, Haemophilia and Sickle cell anaemia; Sex linked.
  4. Polio, Japanese B encephalitis and measles; Viral.
Answer and Explanation :-

Answer: Option 4


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