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See also the WHO page on the Polio eradication initiative.


Polio is a contagious disease affecting the nervous system. It primarily affects children under five years of age. About one per cent of all infections lead to paralysis of limbs. The virus survives only for a short time outside the human body. It is spread through respiratory droplets and through faecal matter. The symptoms are high fever and pain in the limbs, followed by acute flaccid paralysis. Immunisation by oral Polio vaccine is widespread.

Number of Polio Cases Detected in Bombay

Year Cases
1986 999
1987 1032
1988 418
1989 478
1990 435
1991 206
1992 379
1993 240
1994 385

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