Polio resurgence

The recent surge in poliovirus cases in Pakistan, as evidenced by nine additional positive environmental samples, raises a red flag for the nation’s public health. With the nationwide tally reaching 64 this year, the urgency to address this resurgence is paramount. The detection of wild poliovirus type 1 in sewage samples from districts across the country indicates a concerning spread.

Sewage samples, often an overlooked but critical parameter, serve as an essential criterion for the success of polio campaigns. The presence of the virus in sewage not only signifies a failure in containment efforts but also reflects a decline in the immunity levels of children in the affected areas, putting them at increased risk of contracting the disease. Therefore, swift detection and reporting are crucial components in the fight against polio, and the country’s commitment to eradicating the disease should be redoubled. The revelation that these viruses belong to a specific cluster circulating in Afghanistan encourages the need for cross-border communication to alleviate the challenge but through a united front. Polio is a disease with no cure, and poses a severe threat to the youth. The recent surge serves as a stark reminder that the journey toward a polio-free world is far from over. Coordinated vaccination campaigns and heightened surveillance is necessary to break the transmission cycle and get rid of vaccine hesitancy. While many countries have successfully achieved polio-free status, Pakistan and Afghanistan remain the only two endemic countries, tarnishing their international repute.

As the world strives for a polio-free future, Pakistan faces a complex challenge. The collective response from officials, healthcare providers and policymakers will determine the success of ongoing efforts. Ultimately, the collaboration between the two neighbouring countries is pivotal to achieving a polio-free world.

Published in The Express Tribune, November 11^th, 2023.

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