Question

2. Fill in the blanks :

(i) Typhoid spreads through ______.(dog bite, foul air, flies)

(ii) Eating food exposed to flies spreads ______.
(malaria, diarrhoea, tetanus)

(iii) At present there is no vaccine for preventing _______.
(polio, diphtheria, malaria)

(iv) Defecating near the source of drinking water spreads ______ .
(cholera, measles, polio) ​

Answer 1

Answer:

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Explanation:

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