First polio case in Chennai in 4 years
A case of polio has been reported in Chennai, the first in the city in four years. After the detection of the Chennai case, the Corporation's public health wing did a 'ring immunisation', covering
A case of polio has been reported in Chennai, the first in the city in four years. After the detection of the Chennai case, the Corporation's public health wing did a 'ring immunisation', covering