ObjectiveTo evaluate Vaccine Derived Polio Virus 2 isolation rate from Environmental Surveillance an
ABSTRACT Background In March 2024, a circulating vaccine‐derived poliovirus type 2 (cVDPV2) was i
BackgroundVaccine-derived polioviruses (VDPVs) pose a major challenge to the eradicat
Abstract Background Passive surveillance of adverse events following immunization
Abstract Background Tracking of adverse events following vaccination is important for eva