.Israeli Airstrike Hits Gaza As Second Phase of Polio Vaccinations Begins: Most Recent Headlines The New York TimesPolio shot travel begins in Gaza's Khan Younis Yahoo! VoicesThe Conspiracy Theory Idea Coming With the Polio Vaccination Into Gaza HaaretzPalestinian children in south Gaza acquire polio shots surrounded by continuing war ReutersAt least 187,000 Gaza youngsters vaccinated for polio thus far, U.N. says CBS Information.