Adverse events following immunization (AEFI) for Covid vaccines approved by WHO- A short review

Abstract

The world was suffering and People are in great grief due to COVID 19 Pandemic 2020 and 2021 due loss of life, jobs and other related socio-economic issues and now it has been in subsiding mode due to the great weapon COVID vaccine. However omicron is now threatening due to high transmissibility compare to other variants of Corona virus. All of us aware corona Vaccines have been permitted by the regulatory authorities of different countries under emergency situation for restricted use. However by considering Risk-Benefit almost >18 age group most of the people have received the vaccine in few countries but yet to reach out all people in the world. The vaccine has reached the market with exemption category and without detailed exploration of all safety parameters. In the current situation it was learned that most of the corona vaccines are safe and Adverse Events Following Immunization (AEFI) associated with all other vaccines are reported except few serious adverse effects. Corona vaccines are in the verge for administration for all age groups. Hence our health care scientist in the globe needs to study and closely to monitor the Safety parameters of all approved vaccines. This short review highlighted the ADRs reported by WHO approved vaccines during clinical trials and in treatment Adverse Events Following Immunization (AEFI).

The Impact of the Emotional Disposition of Healthcare Workers on the Expression of Adverse Events after Primary Vaccination against SARS-CoV-2

“…An unprecedented mass vaccination effort took place worldwide. The most commonly used vaccine is the BNT162b2 Pfizer–BioNTech mRNA vaccine, which is approved in 123 countries [ 4 ]. Studies showed that fever, fatigue, headache, and injection site pain are among the most common adverse events associated with this vaccine.…”

“…Studies showed that fever, fatigue, headache, and injection site pain are among the most common adverse events associated with this vaccine. Furthermore, serious adverse events include shoulder injury related to vaccine administration, right axillary lymphadenopathy, paroxysmal ventricular arrhythmia, right leg paresthesia, fatigue and headache [ 4 ]. The number of reported vaccine-related adverse events was also unprecedented.…”