Polio

Knowledge Nugget: Why is vaccine-derived poliovirus (VDPV) in news?

July 09, 2026 4:32 pm

After the detection of VDPV in a sewage sample in Ghaziabad, officials have intensified surveillance. But what is VDPV? Does it affect India's polio-free status? In Beyond the Nugget, learn about the significance of Wastewater and Environment Surveillance (WES).

‘No child has been missed, right?’: Polio campaign in Ghaziabad after virus found in sewage

July 07, 2026 12:24 am

After the sewage detection, officials strengthened supervision, redrew vaccination maps and instructed teams to revisit locked homes until every eligible child had been reached.

Time to revisit lessons from drive against TB, polio, HIV

November 29, 2025 7:29 am

Citizen ownership represents deep public engagement where AMR is viewed not as a distant scientific issue but as a shared social challenge.

Pakistan confirms two new poliovirus cases in Sindh, Punjab; total number rises to 5 this year

February 28, 2025 12:59 pm

Polio is a paralysing disease that has no cure and only multiple doses of the oral polio vaccine and completion of the routine vaccination schedule for all children under the age of five can provide children with high immunity against this terrible disease.

Week-long polio eradication campaign in Pakistan begins amid tight security

December 16, 2024 2:36 pm

During the campaign, more than 44.7 million children under the age of five will be vaccinated.

Poliovirus found in wastewater in Spain, Germany and Poland -- what you need to know

December 15, 2024 5:08 pm

Wastewater surveillance, an approach reinvigorated during the COVID pandemic, has proven invaluable for early detection of disease outbreaks.

Polio vaccinators attacked, held hostage in two separate incidents in NW Pakistan

October 29, 2024 1:48 pm

Pakistan and Afghanistan are the only countries in the world where polio remains endemic, according to the World Health Organisation (WHO).

Pakistan begins another vaccination campaign after worrying surge in polio cases

October 28, 2024 1:38 pm

During the door-to-door campaign, children younger than 5 will be vaccinated and given drops of Vitamin A supplements to enhance their immunity.

World Polio Day: How India managed to eradicate polio

October 24, 2024 7:33 pm

In 2009, India had reported 741 polio cases, the highest in the world. In January 2011, India reported its last polio case. How did the turnaround come about? Here's a brief account.

How polio vaccine triggered the infection in a child in Meghalaya

August 25, 2024 11:31 am

While the last case of wild polio was reported in 2015, India has periodically reported cases of vaccine-derived polio. Here is what causes it, and how it can be prevented.

Suicide blast outside polio centre in Pakistan kills at least 15

January 13, 2016 6:00 pm

The blast in Quetta ripped through a police van outside the vaccination centre as security officials gathered there to escort polio workers for the third day of a vaccination campaign in Balochistan.

Explained: Polio and Introduction Of Injectable Vaccine

September 04, 2015 1:49 pm