0035-0052 0035-0052 S0035-00522022000400140 10.35366/109588 Mexico Mexico Mexico Mexico Mexico 00 08 2022 00 08 2022 89 4 140 145

1 2017 29 3 3 280-5 2 2021 39 3 3 627-39 3 World Health Organization 2016 40 4 2021 106 11 11 1047-9 5 2018 142 6 6 6 2019 36 12 12 729-35 7 2016 28 2 2 135-40 8 2019 38 12 12 1163-7 9 Group for the Study of Febrile Infant of the RiSeuP-SPERG Network 2016 35 1 1 25-9 10 2019 104 6 6 547-51 11 2018 103 11 11 1033-41 12 2010 29 1 1 43-7 13 1999 153 5 5 508-11 14 2019 173 4 4 342-51 15 2018 2018 4869329 16 2010 42 11-12 11-12 812-6 17 2015 10 11 11 1859-79 18 World Health Organization 2014 19 2019 204 191-5 20 2019 35 1 1 22-7 21 2016 32 10 10 664-8