Learn More
Until 2008 poliomyelitis was controlled in Romania by predominantly using Oral Poliovirus Vaccine Sabin (OPV); the alternative vaccination schedule (IPV formalin Inactivated Poliovirus Vaccine/OPV)(More)
Although the European region is polio free since 2002, the risk of importation from endemic regions remains present and a high level of population immunity must be maintained. In Romania during the(More)