Adverse events following immunisation (AEFI) reports from the Zimbabwe expanded programme on immunisation (ZEPI): an analysis of spontaneous reports in Vigibase® from 1997 to 2017

Table 4 Number and rates of AEFIs per vaccine/antigen from 1997 to 2017

Vaccine/Vaccine combination	Number of doses per birth cohort^a	Number of AEFIs	Number of vaccine doses (million)	Rate per 100,000 vaccine doses
BCG	1	20	9.3	0.21
Measles	1	196^b	9.3	2.11
OPV/DTP-Hib-HepB	3	152	27.9	0.54
OPV/DTP booster	2	10	18.6	0.05
Total		378^c	65.1	0.58^d

Key: ^aNumber of doses per birth cohort is based on the Zimbabwe Expanded Immunisation Programme schedule used prior to 2012. ^bIncludes all AEFIs reported with measles regardless of the age at which the vaccine was administered. ^cExcludes AEFIs reported for unclassified vaccines. ^dAverage reporting rate per 100,000 vaccine doses

ISSN: 1471-2458