Monitoring vaccine safety and adverse events following immunization – World Health Organization (WHO)

The landscape of vaccine use is rapidly changing in the Western Pacific Region. Vaccines are being offered routinely and during large-scale campaigns within the context of disease control goals and targets set by Member States. In addition, several new vaccines have been recently introduced or are planned for introduction. Although modern vaccines are safe, the increased number of doses and opportunities for vaccination may lead to vaccine safety concerns. The quality of immunization safety surveillance widely varies across the Region.
Assured quality vaccines are essential to effective immunization programmes. Given the current emphasis including introduction of new vaccines, independent, competent, and effective regulatory systems are necessary to oversee the supply of assured quality vaccines.
Monitoring of adverse events following immunization (AEFI) is an essential strategy for ensuring the safety of vaccines. This new manual provides guidance…

All country programmes that started mass drug administration (MDA) with WHOís recommended co-administration of drugs ñ diethylcarbamazine…
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