Polio in Gaza: WHO ‘extremely worried’ about possible outbreak BBC.com‘High risk’ of polio virus spreading across Gaza, WHO says HaaretzIDF to give booster vaccinations to soldiers after polio virus found in Gaza sewage The Times of IsraelWHO sees ‘high risk’ of polio virus spreading across Gaza, assessment underway Reuters.comPoliovirus detected in Gaza wastewater, posing “ticking time bomb” for public health Salon