Ronquillo De Jesús E, Suárez V, López-Perea P, Suárez Quezada M, von Borries-Medrano E (2022) COVID-19 cases, hospitalizations, outpatients, and deaths in Mexico by ethnicity and state-level income. J Infect Dev Ctries 16:969–980. doi: 10.3855/jidc.15618