Polio: Vaccine-derived case in Laos, return of polio to Myanmar

The seventh meeting of the Emergency Committee under the International Health Regulations (2005) (IHR) covened earlier this month and a major portion was to look at outbreaks of circulating vaccine-derived polioviruses (cVDPV). "During the current polio endgame cVDPVs reflect serious gaps in immunity to poliovirus due to weaknesses in routine immunization coverage in otherwise polio-free countries," ["]