Abanoub Riad|Andrea Pokorná|Sameh Attia|Jitka Klugarová|Michal Koš?ík|Miloslav Klugar
Prevalence of COVID-19 Vaccine Side Effects among Healthcare Workers in the Czech Republic
Masaryk University|Masaryk University|University of Giessen|Masaryk University|Masaryk University|Masaryk University
background covid19 vaccine side effects fundamental role public confidence vaccine uptake process thus far evidence vaccine safety exclusively obtained manufacturersponsored studies therefore study designed provide independent evidence pfizerbiontech covid19 vaccine side effects methods crosssectional surveybased study carried january february 2021 collect data side effects following covid19 vaccine among healthcare workers czech republic study used validated questionnaire twentyeight multiplechoice items covering participants demographic data medical anamneses covid19related anamneses general oral skinrelated side effects results injection site pain 898 fatigue 622 headache 456 muscle pain 371 chills 339 commonly reported side effects general side effects prevalent among 43yearold group duration mainly one day 451 three days 358 following vaccine antihistamines common drugs associated side effects thus requiring investigation people two doses generally associated higher frequency side effects conclusions distribution side effects among czech healthcare workers highly consistent manufacturers data especially terms association younger age group second dose overall prevalence local systemic side effects higher manufacturers report independent studies vaccine safety strongly required strengthen public confidence vaccine