Unique polio cases in UP
There is evidence to show that oral polio vaccine has less efficacy in western Uttar Pradesh, especially Moradabad, which may be attributed to poor hygiene, overcrowding, high birth rate and some
There is evidence to show that oral polio vaccine has less efficacy in western Uttar Pradesh, especially Moradabad, which may be attributed to poor hygiene, overcrowding, high birth rate and some