Question

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Answer 1

Answer:

3.vaccine is very useful to prevent the disease before it attack... prevention is better than cure so doctors try to find vaccine to prevent the new virus like corona

Explanation:

2. swine flu, cold,colora, typod etc,.

1. mesh doors, coils,electric bats,hit,closed dust bins,cleanliness, cleaning the grabage frome our surroundings

Answer 2

1.
(a) Keep trash sealed.
(b) Pet waste.
(c) Screens

2.
(a) Cold
(b) Chickenpox
(c) German measles
(d) Malaria
(e)Ringworm


3.
(a) typhoid
(b) plague
(c) cholera
(d) rubella