0138-6557 0138-6557 S0138-65572021000400017 Cuba Cuba Cuba Cuba Cuba 00 12 2021 00 12 2021 50 4

1 2014 2da 2 2021 11 2 2 3 2004 4 2018 24 2 2 5 Ministerio de Salud Pública 2021 6 Secretaría de salud 2020 7 2020 46 3 3 101-8 8 2020 49 3 3 9 Center for Disease Control and Prevention. U.S 2020 10 WHO 2020 11 1983 308 1000-5 12 1987 258 339-44 13 2021 14 2021 290 3 3 655-65 15 2020 20 5 5 e189-90 16 2020 24 6 6 8 17 2020 46 ^s1 ^s1 1 19 2021 50 3 3 18 2021 479 385-92 20 2016 468 1 1 75-81 21 2020 49 4 4 22 2011 15 3 3 539-49 23 1998 24 1 1 32-40