2444-054X 2444-054X S2444-054X2020000500537 10.24875/ciru.m20000068 Estados Unidos México México México México 00 10 2020 00 10 2020 88 5 537 541 1 Centers for Disease Control and Prevention 2 John Hopkins University & Medicine 3 Worldometer 4 Instituto de Investigaciones Geológicas y Atmosféricas (IIGEA) 5 1975 293 253 6 2020 7 2020 6 8 2020 25 9 2014 194 175-83 10 2010 75 M302-7