Two JAMA Network Open studies yesterday that looked at COVID-19 vaccine acceptance in minority groups and opinions around less-preferred vaccines provide clues for how officials might better encourage immunization.The first study, involving 13 focus groups, reaffirmed a lack of communication and trust among racially and ethnically diverse communities in the United States.The second study examined the effect of emphasizing different data around the Johnson & Johnson and AstraZeneca/Oxford COVID-19 vaccines: People were more interested in uptake when they were presented with the vaccines' effectiveness against death versus their effectiveness against symptomatic infection.Concerns about trust, unequal treatmentThe virtual focus groups