 This study found that there was a decline in adherence to COVID-19 precautionary measures among oral health care professionals in India and the United States after vaccination, indicating vaccination-induced complacency in observing COVID-19 appropriate behavior. The results were validated using exploratory factor analysis, EFA, and confirmatory factor analysis, CFA, which demonstrated a two-factor solution with adequate internal consistency and good model fit. This article was authored by Vishwa Chaitanya Chondu, Venkat Romana Reddy Baddam, Malmuparapu, and others.