I am currently a lecturer at the Department of Biomedical Science, Medicine, PSU. I completed my PhD at the Jenner institute, University of Oxford, on intradermal vaccination using viral vector TB vaccines. Since the COVID-19 pandemic, I have been working on immune responses against SARS-CoV-2 and intradermal vaccination using SARS-CoV-2 vaccines in Thai populations. The shortage of vaccines and unpleasant systemic reactions have resulted in an inadequate vaccination program. Our findings provide an effective vaccine management strategy to address the shortage of vaccine supply, and we encourage people to obtain a booster shot.