A disease for which vaccination is not available is
A
Malaria
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B
Measles
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C
Cholera
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D
Tetanus
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Solution
The correct option is A Malaria The complexity of the malaria parasite makes the development of a malaria vaccine a very difficult task. Vaccines are based on triggering an immune response in humans that is known to protect against an infection but there is no such response to malaria in humans.