Answered

Which of the following infections cause life-time immunity ?
(A) Common cold
(C) Influenza
(B) Small pox
(D) Pneumococcal pneumonia



Answer :

GinnyAnswer

Final answer:

Smallpox is the viral disease that has been eliminated worldwide, providing lifetime immunity upon recovery.


Explanation:

Smallpox is the viral disease that has been eliminated from the general population worldwide due to vaccination campaigns. Once a person is infected with smallpox and recovers, they develop lifetime immunity to the disease.


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