The World Health Organization (WHO) is planning to vaccinate 600,000 children under the age of 8 in Gaza against polio, its Director-General Tedros Adhanom Ghebreyesus said on Wednesday. Tedros was speaking after traces of the debilitating disease were discovered in the war-torn territory. No time frame has been released for the campaign, with the WHO calling for a ceasefire in the ongoing conflict between Israel and the Palestinian militant group Hamas in the Gaza Strip to ensure that the security of its employees can be guaranteed. The organization also said that an end to fighting would be …