1996-2452 1996-2452 S1996-24522021000100187 Cuba Cuba Cuba 00 04 2021 00 04 2021 16 1 187 200

2017 20 2 2 255-65 Centers for Disease Control and Prevetion CDC 2020 2020 22 1 1 2017 19 2-3 2-3 355-78 2002 8 47 47 2019 16 56 56 183-95 2020 10 S1 S1 49-59 2017 4 4 4 533-43 2016 2 2 67-87 1989