1812-9528 1812-9528 S1812-95282017000300073 10.18004/mem.iics/1812-9528/2017.015(03)073-082 Paraguay Paraguay 00 12 2017 00 12 2017 15 3 73 82

OMS 2012 90 4 4 318-20 2011 6 6 6 e20593 2009 25 4 4 211-7 2013 29 1 1 31-8 2011 11 1 1 32 1994 72 3 3 481-94 WHO WHO 2004 2000 38 2 2 92-101 2010 138 83-7 2013 8 2 2 e56882 2011 14 115-24 CDC CCDC 2010 27 2 2 144-7 XVIII-RS C de A 2013 OPS-OMS 2013 OPS 2013 DGVS M 2014 CDC - ILI 23 2 2 128-33 2005 18 6 6 447 OPS 2006