After children in Safed are diagnosed with new strain, group says there is no time to waste in getting the IPV vaccine shots into the arms of Israel's 175,000 unvaccinated

New asymptomatic cases discovered among close contacts of initial patient in city of Safed; Health Ministry warns of potential spread

Case identified in July, first since 2013, was young non-inoculated Orthodox man; rabbis urge community members to get vaccinated

Unlikely phenomenon becomes more glaring as world comes closer to wiping out naturally concurring disease, but now faces more cases caused by oral immunization

Authorities have been urging vaccination since March, when first case in 34 years was diagnosed; parents of babies respond well, but less so for older kids

Health Ministry says nine cases diagnosed so far in Jerusalem area; drive to expand nationwide to children up to 6, with those aged 7-17 eligible after Passover

'The tip of the iceberg'; Traces of disease also found in Jerusalem sewage, prompting fears that polio could be spreading in the city, particularly in ultra-Orthodox community