. >> a mobile vaccination team asked their cooler bag with live attenuated serum. polio was nearly wiped out worldwide by 2012, but rumors of the cia faking a vaccination program have bred paranoia and vision throughout pakistan. the camera team reporting on the memorization campaign in lahore took along their owned armed security personnel. the attackers often drive mopeds, so police often refused to let mopeds through on street vaccination teams are active. it seems look for and vaccinate all children under five. many parents have to be talked into it. they've often heard the fundamentalist propaganda that the vaccine is the work of the devil or an american plot. the teams tried to reach every single child. >> the world health organization registered over 400 new cases of polio worldwide in 2014. and the worry is that the virus could well be spreading beyond pakistan's borders. >> we just checked the thumb mark and if it is present, it means the child has been vaccinated. if it is not present, we vaccinate that child. >> the oral vaccine should be followed up wit