Name Info Provider Link
COVID-19 (Coronavirus Disease 2019) free resource MedlinePlus Health Information https://medlineplus.gov/covid19coronavirusdisease2019.html
free resource Annals, Academy of Medicine, Singapore https://www.annals.edu.sg/safety-and-side-effect-profile-of-pfizer-biontech-covid-19-vaccination-among-healthcare-workers-a-tertiary-hospital-experience-in-singapore/