• Renuka A K Kadali, Ravali Janagama, Sharanya Peruru, and Srikrishna V Malayala.
• Department of Internal Medicine, Central Harnett Hospital (affiliated with Cape Fear Valley Health System), Lillington, NC, USA; Department of Internal Medicine, Campbell University Jerry M. Wallace School of Osteopathic Medicine, Lillington, NC, USA. Electronic address: Renuka.Kadali@harnetthealth.org.
• Int. J. Infect. Dis. 2021 May 1; 106: 376-381.

IntroductionConcerns are prevailing about the safety and side effects of the BNT162b2 mRNA vaccine for coronavirus disease 2019 (COVID-19).MethodsA randomized, cross-sectional study was performed to investigate the side effects of the BNT162b2 vaccine using an independent online questionnaire gathering responses from healthcare workers (HCWs) with detailed review of organ systems.ResultsOf all HCWs, 87.98% (1245/1415) completed the survey. Of them, 64.5% (803/1245) received the BNT162b2 mRNA vaccine and reported at least one or more symptoms (classified based on organ systems and occurrence rate) post vaccination. Of these, 640/803 (79.7%) were able to continue activities of daily living (ADL), 103/803 (12.83%) had trouble temporarily to perform ADL, 99/803 (12.33%) took time off work temporarily, 20/803 (2.49%) required help from an outpatient provider, 5/803 (0.62%) required help from an emergency department and 2/803 (0.25%) required hospitalization. Despite this, 97.61% intended to have the second dose and 92.9% had already received it.ConclusionsCommonly reported symptoms (occurrence in descending order) were soreness, fatigue, myalgia, headache, chills, fever, joint pain, nausea, muscle spasm, sweating, dizziness, flushing, feelings of relief, brain fogging, anorexia, localized swelling, decreased sleep quality, itching, tingling, diarrhoea, nasal stuffiness and palpitations. Despite this, remarkable acceptance for the second dose of the BNT162b2 vaccine was found among HCWs.Copyright © 2021 The Author(s). Published by Elsevier Ltd.. All rights reserved.

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