Background: Vaccines are a critical tool in the battle against COVID-19, and there are clear public health and lifesaving benefits to using the tools we already have. We must not put off getting vaccinated because of our concerns about new variants, and we must proceed with vaccination even if the vaccines may be somewhat less effective against some of the COVID-19 virus variants.

Aim: To identify the side effects of COVID 19 vaccination among health care workers after getting COVID 19 vaccination.

Method: A descriptive cross sectional study conducted during the COVID 19 pandemic. Non-probability Convenience sampling technique was used for data collection. Data were collected from 80 health care workers, using questionnaire consisted of demographic characteristics and 18 items about COVID 19 vaccination related side effects.

Result: Findings of experiencing symptoms by health workers after COVID vaccination with in 24 hrs are pain at the site of injection lasting for 2-3 days is 67.5%, Headache and

Aches of muscle pain having same percentage 62.5. And due to unbearable side effects none of the health care workers got admitted in hospital.

Conclusion: COVID-19 vaccines can cause side effects, most of which are mild or moderate and disappear within a few days on their own as shown in result. So COVID vaccination will be continue as successful strategy.