Gurugram, Sept. 16 -- With most health care workers engaged in Covid-19 duty, the Gurugram health department has decided to limit the pulse polio immunisation drive to only areas where the inoculation is most needed.

Polio is a highly infectious viral disease that can cause paralysis and affects mostly children under five years. It is mostly spread through unhygienic practices.

The pulse polio immunization usually involves setting up booths and house visits by around 15,000 health care workers in the districts. But with the pandemic, around 13,000 workers are engaged in surveillance and testing for the coronavirus disease Covid-19.

Health officials said that, this time, only 2500 health care workers will be involved in the pulse polio dr...