What is adverse events following immunization?
An Adverse event following immunization (AEFI) is any untoward medical occurrence which follows immunization and which does not necessarily have a causal relationship with the usage of the vaccine. The adverse event may be any unfavourable or unintended sign, abnormal laboratory finding, symptom or disease.
What is AEFI vaccine?
An adverse event following immunization (AEFI) is an unwanted or unexpected health effect that happens after someone receives a vaccine, which may or may not be caused by the vaccine.
How do you classify AEFIs?
AEFIs are grouped into five categories.
- Vaccine product-related reaction.
- Vaccine quality defect-related reaction.
- Immunization error-related reaction.
- Immunization anxiety-related reaction.
- Coincidental event.
What are some examples of adverse reactions to vaccination?
What are common side effects of vaccines?
- Pain, swelling, or redness where the shot was given.
- Mild fever.
- Feeling tired.
- Muscle and joint aches.
What causes post immunization neurologic adverse events?
Adverse events following immunization may be caused by the active antigen in the vaccine or other constituents, such as adjuvants, or may merely be coincidental. Possible neurological side effects have always obtained high attention.
What are the main sources of vaccine safety?
The most commonly used source of vaccine information was the child’s healthcare provider ( , 91.7%), followed by Vaccine Information Statements (printed materials from healthcare providers) ( , 84.0%) and parents/friends ( , 53.8%).
Who can report AEFI?
The reporting of serious/severe AEFI is done using Case Reporting Format (CRF) (formerly First Information Report), which is prepared by the Medical Officer of the PHC or the reporter and then sent to the District Immunization Officer within 24 hours of getting the information of the case.
What types of adverse events are considered serious AEFI?
An AEFI will be considered serious if it results in death, requires hospitalization, results in persistent or significant disability/ incapacity or a cluster (two or more cases) of AEFIs occur in a geographical area. severe). The event itself, however, may be of relatively minor medical significance.
What are adverse effects?
An unexpected medical problem that happens during treatment with a drug or other therapy. Adverse effects may be mild, moderate, or severe, and may be caused by something other than the drug or therapy being given. Also called adverse event.
What counts as an adverse event?
• An adverse event is any untoward or unfavorable medical occurrence in a human. subject, including any abnormal sign (for example, abnormal physical exam or. laboratory finding), symptom, or disease, temporally associated with the subject’s.
What are neurologic adverse events?
Recent findings: Many different neurologic adverse events have been described, including encephalitis, myelopathy, aseptic meningitis, meningoradiculitis, Guillain-Barré-like syndrome, peripheral neuropathy (including mononeuropathy, mononeuritis multiplex, and polyneuropathy) as well as myasthenic syndrome.
What are the causes of AEFI?
The most common causes of AEFIs are programme errors.
- Programme errors. A programme error is the term given to an error caused by improper use of safety procedures or injection techniques.
- Coincidental events.
- Injection reactions.
- AEFIs of unknown cause.