Most common type of polio is –
Correct Answer: Inapparent infection
Description: Ans. is 'd' i.e., Inapparent infection Clinical manifestationso Incubation period -7-14 dayso After infection, one of the following responses may occur -Enapparent (subclinicat) infectiono Occurs in 95% of the infected individualso They play a dominant role in spread of infection.Minor (abortive) illnesso In 4-8% of infectionso Fever, sore throat, headach and malaiseAseptic meningitis (non-paraIytic polio)o In 1 % of infectionso Signs & symptoms of meningitisParalytic polioo In less than 1% of caseso Flaccid paralysis with absent tendon reflexes.o Most common cause of death - Respiratory paralysis.
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Social & Preventive Medicine
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