Correspondence on incidence and factors associated with adverse reactions after the first dose of COVID-19 vaccine

Amnuay Kleebayoon, Consultant Unit, Private Academic Consultant, Samraong, Cambodia
Viroj Wiwanitkit, Department of Biological Science, Joseph Ayobabalola University, Ikeji-Arakeji, Nigeria; Centre for Research and Development, Department of Pharmaceutical Sciences, Chandigarh University Gharuan, Mohali, Punjab, India