Hundreds of thousands of children are to be vaccinated against polio in the embattled Gaza Strip from Sunday morning. According to the World Health Organization (WHO), hospitals, doctors’ surgeries and mobile teams are to start immunizing 640,000 children against the virus responsible for polio within a few days. Four weeks must separate the two doses that give full immunization. The aim is to reach more than 90% of children under the age of 10. To this end, there are to be temporary and localized pauses in the campaign. The first vaccine doses were administered at a press conference organized…