1025-0255 1025-0255 S1025-02552022000100006 Cuba Cuba Cuba 00 00 2022 00 00 2022 26

1 2020 19 2 2 2 2020 19 1 1 3 2020 221 1 1 4 Centers for Disease Control and Prevention (CDC) 2020 5 2010 30 2 2 14-6 6 2008 14 2 2 54-61 7 2018 8 1968 9 2009 22 4 4 339-45 10 2003 12 3 3 360-5 11 2007 20 1 1 13-5 12 2007 20 1 1 13 2005 14 14 2021 15 2016 12 2 2 16 2015 19 4 4 17 2010 9 2 2 18 2020 201 4 4 7-8 19 2014 52 4 4 20 2020 42 2 2 21 Centers for disease control and prevention 2020 22 2020 19 1 1 23 2016 20 1 1