Polio vaccine campaign begins in Gaza a day before fighting is expected to pause  The Associated PressAs polio vaccinations begin in Gaza, U.N. says success hinges on a pause in fighting  NPRIsrael, Hamas agree to pause Gaza fighting to allow for child polio vaccinations  NBC NewsFirst babies receive polio vaccinations in Gaza ahead of start of UN-led campaign  CNNIn Race Against Polio, Gaza Begins Vaccination Drive  The New York Times