Afghanistan, July 29 -- WHO confirmed nine new polio cases this year, eight in Pakistan and one in Afghanistan, warning refugee returns and poor access heighten cross-border transmission risks.

The World Health Organization (WHO) has warned of a surge in polio cases in Afghanistan and Pakistan, raising fresh concerns about the global fight against the disease.

In its statement released on Monday, July 28, WHO confirmed nine new cases this year, eight in Pakistan and one in Afghanistan.

The agency identified Afghanistan's southern provinces and Pakistan's Quetta, Karachi, and Khyber Pakhtunkhwa regions as key hotspots for transmission.

It further noted that the return of Afghan refugees from Pakistan is increasing the risk of cross-borde...