Although the World Health Organization’s (WHO) polio vaccination campaign in war-torn Gaza officially starts on Sunday, the Palestinian Health Ministry released footage on Saturday showing some children already getting their first shot. Footage from a press conference in the Gaza Strip, provided by the Hamas-controlled health authority, showed some children receiving their initial dose of the two-dose vaccination. The ministry said preparations for the campaign have been completed, while the WHO spoke about an opening ceremony for the campaign. Recently a first case of polio was detected in Ga…