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Filters from taxis air conditioning system: a tool to characterize driver's occupational exposure to bioburden?

2018-07Journal article Restricted access
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dc.contributor.authorViegas, Carla
dc.contributor.authorMonteiro, Ana
dc.contributor.authorSantos, Mateus dos
dc.contributor.authorFaria, Tiago
dc.contributor.authorCaetano, Liliana Aranha
dc.contributor.authorCarolino, Elisabete
dc.contributor.authorGomes, Anita Quintal
dc.contributor.authorMarchand, Geneviève
dc.contributor.authorLacombe, Nancy
dc.contributor.authorViegas, Susana
dc.date.accessioned2018-05-25T18:02:08Z
dc.date.available2018-05-25T18:02:08Z
dc.date.issued2018-07
dc.description.abstractBioburden proliferation in filters from air conditioning systems of taxis represents a possible source of occupational exposure. The aim of this study was to determine the occurrence of fungi and bacteria in filters from the air conditioning system of taxis used for patient transportation and to assess the exposure of drivers to bioburden. Filters from the air conditioning systems of 19 taxis and 28 personal vehicles (used as controls) operating in three Portuguese cities including the capital Lisbon, were collected during the winter season. The occurrence and significance of bioburden detected in the different vehicles are reported and discussed in terms of colony-forming units (CFU) per 1 m2 of filter area and by the identification of the most frequently detected fungal isolates based on morphology. Azole-resistant mycobiota, fungal biomass, and molecular detection of Aspergillus species/strains were also determined. Bacterial growth was more prevalent in taxis (63.2%) than in personal vehicles (26.3%), whereas fungal growth was more prevalent in personal vehicles (53.6%) than in taxis (21.1-31.6%). Seven different azole-resistant species were identified in this study in 42.1% taxi filters. Levels of fungal biomass were above the detection limit in 63% taxi filters and in 75% personal vehicle filters. No toxigenic species were detected by molecular analysis in the assessed filters. The results obtained show that bioburden proliferation occurs widely in filters from the air conditioning systems of taxis, including the proliferation of azole-resistant fungal species, suggesting that filters should be replaced more frequently. The use of culture based-methods and molecular tools combined enabled an improved risk characterization in this setting.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationViegas C, Monteiro A, Caetano LA, Carolino E, Gomes AQ, Viegas S, et al. Filters from taxis air conditioning system: a tool to characterize driver's occupational exposure to bioburden? Environ Res. 2018 Jul;164:522-9.pt_PT
dc.identifier.doi10.1016/j.envres.2018.03.032pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.21/8541
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0013935118301646pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectOccupational healthpt_PT
dc.subjectOccupational exposurept_PT
dc.subjectAspergilluspt_PT
dc.subjectBioburdenpt_PT
dc.subjectFilters from air conditioning systempt_PT
dc.subjectTaxipt_PT
dc.titleFilters from taxis air conditioning system: a tool to characterize driver's occupational exposure to bioburden?pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage529pt_PT
oaire.citation.startPage522pt_PT
oaire.citation.titleEnvironmental Researchpt_PT
oaire.citation.volume164pt_PT
person.familyNameViegas
person.familyNameCarolino
person.familyNameViegas
person.givenNameCarla
person.givenNameElisabete
person.givenNameSusana
person.identifier248817
person.identifier.ciencia-idEE1E-C639-D70F
person.identifier.ciencia-id1216-EFA3-1E0F
person.identifier.ciencia-idA919-7318-63DC
person.identifier.orcid0000-0002-1545-6479
person.identifier.orcid0000-0003-4165-7052
person.identifier.orcid0000-0003-1015-8760
person.identifier.ridB-7217-2013
person.identifier.ridF-1012-2015
person.identifier.ridI-4053-2012
person.identifier.scopus-author-id55443609700
person.identifier.scopus-author-id25821697000
person.identifier.scopus-author-id35270591500
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationb5fa5da4-50c3-4b88-ae20-1bc63cb485f7
relation.isAuthorOfPublication77930d39-ed34-44dc-a4a6-9bf833e5e688
relation.isAuthorOfPublication13115332-43f7-4048-a8a5-2f2b855a8c92
relation.isAuthorOfPublication.latestForDiscoveryb5fa5da4-50c3-4b88-ae20-1bc63cb485f7

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