The World Health Organization (WHO) on Friday requested a “humanitarian pause” in Gaza in order to carry out a mass vaccination campaign against polio. In a joint statement with the United Nations Children’s Fund (UNICEF), the WHO said seven-day pauses in fighting between Israel and the Palestinian militant group Hamas would “allow children and families to safely reach health facilities.” The authorities are planning to vaccinate more than 640,000 children in the territory in two rounds in late August and September. “Without the humanitarian pauses, the delivery of the campaign will not be pos…