<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Puzelli, S</style></author><author><style face="normal" font="default" size="100%">Facchini, M</style></author><author><style face="normal" font="default" size="100%">De Marco, M A</style></author><author><style face="normal" font="default" size="100%">Palmieri, A</style></author><author><style face="normal" font="default" size="100%">Spagnolo, D</style></author><author><style face="normal" font="default" size="100%">Boros, S</style></author><author><style face="normal" font="default" size="100%">Corcioli, F</style></author><author><style face="normal" font="default" size="100%">Trotta, D</style></author><author><style face="normal" font="default" size="100%">Bagnarelli, P</style></author><author><style face="normal" font="default" size="100%">Azzi, A</style></author><author><style face="normal" font="default" size="100%">Cassone, A</style></author><author><style face="normal" font="default" size="100%">Rezza, G</style></author><author><style face="normal" font="default" size="100%">Pompa, M G</style></author><author><style face="normal" font="default" size="100%">Oleari, F</style></author><author><style face="normal" font="default" size="100%">Donatelli, I</style></author></authors><translated-authors><author><style face="normal" font="default" size="100%">Influnet Surveillance Group for Pandemic A(H1N1) 2009 Influenza Virus in Italy</style></author></translated-authors></contributors><titles><title><style face="normal" font="default" size="100%">Molecular surveillance of pandemic influenza A(H1N1) viruses circulating in Italy from May 2009 to February 2010: association between haemagglutinin mutations and clinical outcome.</style></title><secondary-title><style face="normal" font="default" size="100%">Euro Surveill</style></secondary-title><alt-title><style face="normal" font="default" size="100%">Euro Surveill.</style></alt-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Adolescent</style></keyword><keyword><style  face="normal" font="default" size="100%">Adult</style></keyword><keyword><style  face="normal" font="default" size="100%">Age Distribution</style></keyword><keyword><style  face="normal" font="default" size="100%">Aged</style></keyword><keyword><style  face="normal" font="default" size="100%">Amino Acid Substitution</style></keyword><keyword><style  face="normal" font="default" size="100%">Child</style></keyword><keyword><style  face="normal" font="default" size="100%">Child, Preschool</style></keyword><keyword><style  face="normal" font="default" size="100%">Female</style></keyword><keyword><style  face="normal" font="default" size="100%">Hemagglutinins</style></keyword><keyword><style  face="normal" font="default" size="100%">Humans</style></keyword><keyword><style  face="normal" font="default" size="100%">Infant</style></keyword><keyword><style  face="normal" font="default" size="100%">Influenza A Virus, H1N1 Subtype</style></keyword><keyword><style  face="normal" font="default" size="100%">Influenza, Human</style></keyword><keyword><style  face="normal" font="default" size="100%">Italy</style></keyword><keyword><style  face="normal" font="default" size="100%">Male</style></keyword><keyword><style  face="normal" font="default" size="100%">Middle Aged</style></keyword><keyword><style  face="normal" font="default" size="100%">Mutation</style></keyword><keyword><style  face="normal" font="default" size="100%">Pandemics</style></keyword><keyword><style  face="normal" font="default" size="100%">Population Surveillance</style></keyword><keyword><style  face="normal" font="default" size="100%">Reverse Transcriptase Polymerase Chain Reaction</style></keyword><keyword><style  face="normal" font="default" size="100%">Severity of Illness Index</style></keyword><keyword><style  face="normal" font="default" size="100%">Sex Distribution</style></keyword><keyword><style  face="normal" font="default" size="100%">Young Adult</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2010</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">15</style></volume><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Haemagglutinin sequences of pandemic influenza A(H1N1) viruses circulating in Italy were examined, focusing on amino acid changes at position 222 because of its suggested pathogenic relevance. Among 169 patients, the D222G substitution was detected in three of 52 (5.8%) severe cases and in one of 117 (0.9%) mild cases, whereas the D222E mutation was more frequent and evenly distributed in mild (31.6%) and severe cases (38.4%). A cluster of D222E viruses among school children confirms reported human-to-human transmission of viruses mutated at amino acid position 222.&lt;/p&gt;</style></abstract><issue><style face="normal" font="default" size="100%">43</style></issue><custom1><style face="normal" font="default" size="100%">http://www.ncbi.nlm.nih.gov/pubmed/21087581?dopt=Abstract</style></custom1></record></records></xml>