1729-519X 1729-519X S1729-519X2020000500020 Mexico 00 08 2020 00 08 2020 19 4 1 2020 93 1 1 73-4 2 2020 19 2 2 3 2020 9 1 1 105-7 4 2014 5 1 1 1-9 5 2018 131-9 6 2020 14 4 4 489-96 7 2018 8 Centers for Disease and Prevention CDC 2018 9 2007 103 2 2 693-9