摘要:"Introduction: As adverse events following immunization causes serious concern, in the absence of direct threat from diseases mothers refrain from their children getting vaccinated. The Purpose of this present study is to assess Mother’s Knowledge and Practices regarding Adverse Events Following Immunization in a rural area of Tripura. Methodology: A community based cross sectional study has been conducted using Lot Quality Assurance Sampling Technique among mothers having children between 12 to 23 months old under Mohanpur Community Health centre area, with a sample size calculated to be 330. Data was collected using pre-designed pre-tested questionnaire and analysed using computer software SPSS version 20.0. Results: Most of the mothers (90.0%) have knowledge about adverse events following immunisation (AEFI) and majority (82.1%) of them revealed - low grade fever, myalgia and gastro-intestinal upset, followed by local reaction- pain, swelling, redness (16.8%) to be the commonest AEFIs. Majority (20.9%) reported that their children had suffered from one or more of the similar adverse events in the past. Conclusion: This study reveals majority of the mothers had knowledge about AEFI and they access health centres, consult local health workers at the time of AEFI of their children."