Allergic reactions were reported by 12.7% of the participants furthermore, participants with a history of allergy or anaphylaxis before vaccination had a significantly higher tendency for post-vaccination allergic reactions. The most commonly reported adverse events were fever, chills, headache, fatigue, pain and swelling at the injection site, muscle pain, and joint pain. Approximately one-third of participants reported no adverse effects after receiving the first, second, or third doses (34%, 33.6%, and 32.5%, respectively).
All participants received at least one dose of the Pfizer-BioNTech COVID-19 vaccine. In total, 1137 participants completed the questionnaire, 33.2% were males, and the mean age was 21.163 years. Data were analyzed using SPSS version 22. The Chi-square, Fisher’s exact, and McNemar’s tests were used to investigate significant relationships. MethodĪ questionnaire-based retrospective cross-sectional study was conducted using a university website (Ritaj), social media platforms (e.g., Facebook and Telegram), and in-person interviews. Therefore, this study investigates the post-vaccine adverse events following the Pfizer/BioNTech COVID-19 Vaccine administration in Palestine and identifies the occurrence, extent, and severity among university staff, employees, and students at Birzeit University.
At the time of the study, December 2021, Palestine lacked a national reporting system for monitoring adverse vaccine effects. Therefore, it is preferred by most recipients however, many people are concerned about the vaccine’s side effects. The Pfizer BioNTech COVID-19 vaccine was the first to receive emergency authorization and approval from the FDA.
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