Reactive Arthritis after Gam-COVID-Vac Vaccination: A Case Report.

Although the safety and efficacy of vaccinations have been evaluated through clinical trials, medical experts and authorities are very interested in the reporting and investigation of adverse events following SARS-CoV-2 immunization in the general public. This article reports a 41-year-old man without history of underlying diseases, complaining of continuous morning stiffness and acute discomfort in his left elbow joint, 20 days after taking the first dosage of Sputnik V. The case was extensively studied, and a possible diagnosis of reactive arthritis was made.