2011
DOI: 10.1093/cid/ciq030
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Swine Outbreak of Pandemic Influenza A Virus on a Canadian Research Farm Supports Human-to-Swine Transmission

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Cited by 81 publications
(78 citation statements)
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“…Although experimental infections in the laboratory confirm the potential for pH1N1 virus shedding and contact transmission between swine,20, 40 most field investigations suggest that sustained transmission among swine is limited in small‐scale farm settings5, 14 although, as infection is often subclinical or associated with mild disease,4, 9 it may go undetected 40. Consistent with this, none of the swine in our study were noted to be sick prior to slaughter and no abnormalities were noted on gross anatomic examination of the lungs of the three virus‐positive animals.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Although experimental infections in the laboratory confirm the potential for pH1N1 virus shedding and contact transmission between swine,20, 40 most field investigations suggest that sustained transmission among swine is limited in small‐scale farm settings5, 14 although, as infection is often subclinical or associated with mild disease,4, 9 it may go undetected 40. Consistent with this, none of the swine in our study were noted to be sick prior to slaughter and no abnormalities were noted on gross anatomic examination of the lungs of the three virus‐positive animals.…”
Section: Discussionmentioning
confidence: 99%
“…The influenza A(H1N1)pdm09 virus (pH1N1) was first identified among humans in March 2009 and generated the first pandemic of the 21st century 3. Since 2009, pH1N1 has become endemic in human populations globally and there have been numerous reports of human‐to‐swine transmission 1, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20. Most of these reports, however, have focused on larger scale industrial farms,4, 7, 11, 18 as opposed to smaller scale backyard farms, despite the fact that large numbers of pigs are raised in backyard settings, particularly in developing countries, providing considerable opportunity for influenza virus transmission between humans and livestock 21, 22…”
Section: Introductionmentioning
confidence: 99%
“…2010, Song et al 2010, Forgie et al 2011, CDC 2012, Gray et al 2012, Williamson et al 2012). Swine workers and their family members are at increased risk of contracting swine influenza virus infections ( Olsen et al 2002, Myers et al 2006, Gray et al 2007, Robinson et al 2007, Yassine et al 2009, Beaudoin et al 2012, CDC 2012, Wong et al 2012).…”
Section: Discussionmentioning
confidence: 99%
“…Sixty-seven percent of humans and 94% of swine with positive laboratory tests results had few or no symptoms (Forgie et al 2011). …”
Section: Discussionmentioning
confidence: 99%
“…It suggests the humans as possible sources of infection of pH1N1 for pigs. Recently, Forgie et al (2011) have shown data based on epidemiologic and clinical findings that give support to human-to-swine transmission of the pH1N1 in a swine research farm in Alberta, Canada.…”
Section: Discussionmentioning
confidence: 99%