AEFI – Adverse events following Immunization

AEFI - Adverse events following Immunization

AEFI – Adverse events following Immunization

▪Adverse events following Immunization

▪Any untoward medical occurrence following Immunization, which does not necessarily have a causal relationship with the usage of vaccine

▪Adverse event may be unfavourable or unintended sign, lab finding, symptom or disease

3 Types

Minor

•Common, self-limiting e.g. pain & swelling at injection site, fever, irritability, malaise, etc.

•Treat symptomatically – paracetamol, others

•Assure teachers & parents

•Record minor AEFIs in block/PHC AEFI register every week; report monthly in HMIS

•Report and investigate minor AEFIs in clusters as serious/severe AEFIs

Severe

•Increased severity of minor AEFIs; do not lead to long-term problems; rarely life threatening; can be disabling

•Non-hospitalized cases

•Examples: Non-hospitalized cases of anaphylaxis that has recovered, high fever (>102 degree F), hypotonic hyporesponsive episodes, sepsis, etc.

Serious

•Deaths

•Hospitalizations

•Clusters

•Disability

•Media reports/ Community/ parental concern

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