Adverse Events Following Immunization (AEFI). Dr. Vikash Keshri. Learning Objectives: . Identify common adverse events. How to Prevent Adverse Event From Occurring. What do you understand by term Vaccine . There is no vaccine which is 100% safe, 100% effective and without any risks.
Dr. Vikash Keshri
There is no vaccine which is 100% safe,
100% effective and without any risks.
What is Vaccine ???
“ An Adverse Event Following Immunization (AEFI) is a medical incident that takes place after an immunization, causes concern, and is believed to be caused by immunization”.
Mild fever, pain, swelling or redness at the site of the injection, and irritability usually resolve without any serious consequences.
* Rate of local reactions likely to increase with booster doses, up to 50-85%
** Symptoms include diarrhoea, headache, and/or muscle pains
Very small dose of a live, but weakened form of a virus (Measles)
Very small dose of killed bacteria
Small parts of bacteria
Small dose of a modified toxin produced by bacteria. (TT)
A small amount of preservative (Thiomerosal)
A small amount of an antibiotic to preserve the vaccine (OPV)
Some vaccines may also contain a small amount of an aluminium salt (DPT)What is ‘in’ vaccines that could lead to AEFIs
Insulin given to 70 infants instead of DPT vaccine resulting in 21 deaths
Never carry and use reconstituted vaccine from one session site to another.
A safe injection is an injection that does not cause harm to the recipient, the provider, or the community.
Assume all used equipment is contaminated:
Cut the used syringe at the hub immediately after use.
to apportion blame to the field staff
but rather to assist and further support staff in providing high quality immunization services