0016-3813 0016-3813 S0016-38132019000300018 10.24875/gmm.19005284 México 00 06 2019 00 06 2019 155 3 1 2010 23 2018-234 2 1996 48 461-3 3 Centers for Disease Control and Prevention 2017 4 2018 67 39 39 1101-2