2 From a marketing perspective, disinterest in vaccination from some segments of the population is unsurprising and reflects typical innovation-adoption patterns in which half of the market is usually slow to make a choice. The COVID-19 vaccine is arguably the most important new product of 2021, but until recently, vaccine promotion efforts have not addressed the full implications of marketing a single product to a large, heterogeneous population. But while vaccine anxiety is an important hurdle to overcome, the assumption that all segments of the population with low interest in vaccination are hesitant is a misconception. 1 Populations with less interest in vaccination were quickly considered vaccine hesitant, and public health campaigns have primarily, and understandably, focused on reaching persons anxious about vaccine safety, vaccine-related adverse effects, or both. Shared Decision Making and CommunicationĮven before COVID-19 vaccines were available, different interest levels in vaccination across the US were noted.Scientific Discovery and the Future of Medicine.Health Care Economics, Insurance, Payment.Clinical Implications of Basic Neuroscience.Challenges in Clinical Electrocardiography.