Safety Surveillance During the Introduction of Novel Oral Poliovirus Vaccine Type 2 (nOPV2) in the Central African Republic: Findings from Passive AEFI and Active AESI Surveillance

Safety Surveillance During the Introduction of Novel Oral Poliovirus Vaccine Type 2 (nOPV2) in the Central African Republic: Findings from Passive AEFI and Active AESI Surveillance

Background Passive surveillance of adverse events following immunization (AEFI) and active surveillance of adverse events of special interest (AESI) were implemented during the introduction of novel oral poliovirus vaccine type 2 (nOPV2) in the Central African Republic (CAR). This stu...