Volume 7 | Issue - 1 articles in press
Volume 7 | Issue - 1 articles in press
Volume 7 | Issue - 1 articles in press
Volume 7 | Issue - 1 articles in press
Volume 7 | Issue - 1 articles in press
Background: COVID-19 causes severe respiratory illness, with more elderly patients and multi-morbid individuals being more vulnerable. The development of multiple COVID-19 vaccines has been crucial in combating the coronavirus pandemic that originated in 2019. Vaccinations are well recognized to impact the immune system. Despite an upsurge in coronavirus vaccine studies in recent years, the variance in immunity before and after COVID-19 vaccination has yet to be established. The study aimed to determine the differences in immunity before and after COVID-19 immunization among vaccinated persons in Jazan, Saudi Arabia