1028-4818 1028-4818 S1028-48182020000300599 Cuba 00 06 2020 00 06 2020 24 3 599 615

1 2020 19 2 2 3254-8 2 2020 42 2 2 3 2020 10 2 2 4 2020 10 2 2 5 2020 10 2 2 6 20/0 3/ 20 7 2020 8 2020 45 3 3 9 2020 19 4 4 405-18 10 Organización Mundial de la Salud 2020 11 2020 12 2016 38 3 3 13 2019 71 4 4