0035-0052 0035-0052 S0035-00522019000400133 México Mexico 00 08 2019 00 08 2019 86 4 133 137 1 2015 8 1967-73 2 American Academy of Pediatrics 2015 30 535-47 3 1940 30 10 10 1245-6 4 2015 5 Centers for Disease Control and Prevention 6 World Health Organization 7 Pan American Health Organization/World Health Organization 2019 8 1980 22 359-408 9 1996 132 1 1 97-100 10 2002 45 3 3 142-53 11 12 Dirección General de Epidemiología 13 Centers for Disease Control and Prevention 2008 14 Dirección General de Epidemiología 2018 15 16