PT - JOURNAL ARTICLE AU - José Ramón Fernández-Peña TI - Opinión: es la hora de considerar el mandato de la vacuna COVID-19 DP - 2021 Oct 01 TA - The Nation's Health PG - 2--2 VI - 51 IP - 8 4099 - http://www.thenationshealth.org/content/51/8/2.3.short 4100 - http://www.thenationshealth.org/content/51/8/2.3.full SO - Nations Health2021 Oct 01; 51