2021
DOI: 10.1016/j.scitotenv.2020.141650
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A case-control analysis of traceback investigations for Vibrio parahaemolyticus infections (vibriosis) and pre-harvest environmental conditions in Washington State, 2013–2018

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Cited by 13 publications
(11 citation statements)
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“…Although not all of the V. parahaemolyticus and V. vulnificus strains are pathogenic to humans, the presence of important virulence genes in the two Vibrio sp. isolated from oysters could reach a relatively high frequency in some cases (>50%) ( DePaola et al, 2003 ; Turner et al, 2014 ; Davis et al, 2021 ). Climate change and rising sea temperatures that favor the spread of Vibrio were also thought to be partly responsible for the rise in vibriosis ( Baker-Austin et al, 2018 ).…”
Section: Discussionmentioning
confidence: 99%
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“…Although not all of the V. parahaemolyticus and V. vulnificus strains are pathogenic to humans, the presence of important virulence genes in the two Vibrio sp. isolated from oysters could reach a relatively high frequency in some cases (>50%) ( DePaola et al, 2003 ; Turner et al, 2014 ; Davis et al, 2021 ). Climate change and rising sea temperatures that favor the spread of Vibrio were also thought to be partly responsible for the rise in vibriosis ( Baker-Austin et al, 2018 ).…”
Section: Discussionmentioning
confidence: 99%
“…Particularly, the prevalence of the thermostable direct hemolysin ( tdh ) and thermostable direct-related hemolysin ( trh ) genes in V. parahaemolyticus was found to increase with temperature ( Turner et al, 2014 ). Davis et al also found that the prominent pathogenic V. parahaemolyticus strains in South Puget Sound flourish with exposure to relatively warm temperature ( Davis et al, 2021 ). Our samples were collected in mid-October 2020 ( Supplementary Table 1 ), and the average temperature in Guangdong region during this period was 23.7°C, which was considered to be relatively suitable for the growth of Vibrios ( Turner et al, 2014 ).…”
Section: Discussionmentioning
confidence: 99%
“…Some of these foods (unpasteurised dairy, molluscs, sprouts and some fruits) are relatively infrequently consumed by the public, making them easier to identify as the outbreak source [ 8 – 10 ]. Foods like molluscs and some fruits also are relatively easier to trace to their production origin [ 11 , 12 ]. Foods less commonly associated with recalls included chicken, pork and leafy greens.…”
Section: Discussionmentioning
confidence: 99%
“…growth (Nordstrom et al 2004;Walton et al 2013;Jones et al 2016). Furthermore, a recent case-control traceback analysis using clinical V. parahaemolyticus isolates in the Pacific Northwest identified intertidal Pacific oyster Crassostrea gigas harvest as the primary environmental risk factor for vibriosis from consuming raw oysters (Davis et al 2021). Many Vibrio control plans have restrictions in place to limit risks associated with intertidal shellfish harvest, notably basing time-tocooling restrictions on the time of emergence on outgoing tides rather than time of harvest.…”
mentioning
confidence: 99%
“…However, it remains unclear whether intertidal-raised oysters present inherently greater risks or if elevated Vibrio spp. concentrations (Nordstrom et al 2004;Walton et al 2013;Jones et al 2016) and vibriosis risks traced to intertidal harvest (Davis et al 2021) result simply from exposure to ambient air prior to harvest. The latter would reinforce existing time-tocooling restrictions, while the former supports more austere restrictions or prohibitions on intertidal harvest.…”
mentioning
confidence: 99%