0185-3325 0185-3325 S0185-33252018000300117 10.17711/sm.0185-3325.2018.019 México México México México México México México México México 00 06 2018 00 06 2018 41 3 117 121

2015 16 9 9 551-63 2014 17 4 4 651-73 2015 19 4 4 411-4 Centers for Disease Control and Prevention 2014 1-21 2009 10 6 6 2487-500 2013 57 12 12 556-68 2016 46 5 5 1669-85 2014 24 4 4 274-8 2000 62 6 6 393-405 2014 21 4 4 129-33 2011 14 10 10 1399-410 2013 11 4 4 1994 24 5 5 659-85 2013 23 11 11 1600-5 2009 2016 54 2 2 1167-72 2016 12 12 1843-8 2007 356 1 1 200-6 2007 90 3 3 397-406 2009 1 3 3 215-23 2013 24 4 4 491-501 2010 20 3 3 109-12 World Health Organization 2013 2012 7 6 6 2014 11 3 3 319-24 2013 7 8 8 1617-23