0034-7531 0034-7531 S0034-75312022000500007 Cuba Cuba 00 00 2022 00 00 2022 94

1 World Health Organization 2020 2 2020 92 ^sespecial ^sespecial especial 3 World Health Organization 2020 4 2015 36 2356-63 5 2020 55 7 7 1598-600 6 2020 75 7 2020 142 5 5 429-36 8 2020 62 9 2020 22 6 6 4485-91 10 2020 46 7 7 838-40