Gaza remains at ‘high risk’ of polio virus spread, warn UN aid teams

“At least two rounds of [orally delivered polio vaccine] will be necessary to shut down transmission,” the World Health Organization (

) and UN Children’s Fund (UNICEF) explained in an update.

The development comes after vaccine-derived poliovirus type 2 was identified on 16 July by the Global Polio Laboratory Network (GPLN) in sewage samples collected on 23 June from Khan Younis and Deir al Balah.

Paralysis cause search

Three cases of…