Emerging infectious diseases are a major threat to biodiversity and an important public health issue.Flaviviruses are the cause of several emerging vector-borne zoonotic arboviruses whose distribution is currently inc...Emerging infectious diseases are a major threat to biodiversity and an important public health issue.Flaviviruses are the cause of several emerging vector-borne zoonotic arboviruses whose distribution is currently increasing in Europe.The evidence that West Nile virus(WNV)circulates in resident and migratory species has implications for both animal and public health and should therefore be studied in depth.USUTU(USUV),Bagaza(BAGV)and tick-borne encephalitis virus(TBEV)are other viruses that are beginning to spread more widely.An integrated surveillance program,namely in birds,is essential for reducing the risk of infection in human populations within the One Health principles.In the present study,wild birds admitted to wildlife rehabilitation centers in Portugal were sampled.Two hundred eight blood samples were assayed serologically for antibodies to flaviviruses by using a commercial ELISA kit.An over-all seroprevalence of 19.6%(95%confidence interval[CI]:13.7-26.7%)was observed.Antibodies against flaviviruses were detected in 13(35.1%)different species of wild birds.Accipitriformes(26.7%;95%CI:18.5-36.2%)and Strigi-formes(26.7%;95%CI:14.6-42.0%)were the orders with the highest seroprevalence rates recorded.There were no statistically significant differences(p=0.725)between the geographical regions(NUTSⅡ)studied,but a statistically significant difference(p=0.017)was found between sex(male:34.4%;female:4.8%).A higher seroprevalence was detected in adults(32.1%)than in juvenile birds(9.3%)(p=0.014),and age was considered a risk factor for flavivirus infection in wild birds(odds ratio 1.4;95%CI:0.5-4.0).More epidemiological studies are needed in Portugal since the actual spread of the genus Flavivirus throughout the country is unknown.展开更多
Antineoplastic drugs(ADs)are hazardous medicinal products highlighted in the EU strategic framework on health and safety at work 2021-2027.To minimize workers'chronic exposure in oncologic settings,regular monitor...Antineoplastic drugs(ADs)are hazardous medicinal products highlighted in the EU strategic framework on health and safety at work 2021-2027.To minimize workers'chronic exposure in oncologic settings,regular monitoring programs for these drugs are crucial and mandatory in the EU(Directive 2004/37/EC).No surveillance exists in Portugal,thus we intended to assess environmental contamination and to perform occupational exposure and risk graduation in a Portuguese tertiary hospital.Wipe sampling and liquid chromatographyetandem mass spectrometry were employed to analyze thirteen drugs of concern(bicalutamide,capecitabine,cyclophosphamide,cyproterone,doxorubicin,etoposide,flutamide,ifosfamide,imatinib,megestrol,mycophenolate mofetil,paclitaxel,prednisone),eight for the first time worldwide,in 152 surface samples over three sampling campaigns.Surface contamination before general cleaning(worst-case scenario)was higher and more widespread in the pharmacy(84%-98%positive samples)than in the day-care hospital(40%-72%).No samples were found above the“action limit”(10000 pg/cm^(2)),but concentrations were frequently above the“safe”/alert level(100 pg/cm^(2)),particularly for cyclophosphamide and ifosfamide(largest campaign's 90th percentiles:2197 pg/cm^(2)and 1898 pg/cm^(2)).Despite the approach's nuances,the maximum daily dermal intake calculated(1.6 mg/day,considering a single genotoxic drug)was lower than the acceptable daily intake.This study provided knowledge regarding surface contamination in a European hospital,where occupational exposure to some ADs of concern cannot be ruled out and follow-up monitoring is recommended,even if workers seem unlikely to develop cancer from handling them.Furthermore,this work contributes to the implementation of regular environmental monitoring programs for ADs in Portugal,enhancing compliance with EU recommendations.展开更多
基金funded by the Portuguese Foundation for Science and Technology(FCT)sup-ported by the projects UIDB/00772/2020(https://doi.org/10.54499/UIDB/00772/2020)。
文摘Emerging infectious diseases are a major threat to biodiversity and an important public health issue.Flaviviruses are the cause of several emerging vector-borne zoonotic arboviruses whose distribution is currently increasing in Europe.The evidence that West Nile virus(WNV)circulates in resident and migratory species has implications for both animal and public health and should therefore be studied in depth.USUTU(USUV),Bagaza(BAGV)and tick-borne encephalitis virus(TBEV)are other viruses that are beginning to spread more widely.An integrated surveillance program,namely in birds,is essential for reducing the risk of infection in human populations within the One Health principles.In the present study,wild birds admitted to wildlife rehabilitation centers in Portugal were sampled.Two hundred eight blood samples were assayed serologically for antibodies to flaviviruses by using a commercial ELISA kit.An over-all seroprevalence of 19.6%(95%confidence interval[CI]:13.7-26.7%)was observed.Antibodies against flaviviruses were detected in 13(35.1%)different species of wild birds.Accipitriformes(26.7%;95%CI:18.5-36.2%)and Strigi-formes(26.7%;95%CI:14.6-42.0%)were the orders with the highest seroprevalence rates recorded.There were no statistically significant differences(p=0.725)between the geographical regions(NUTSⅡ)studied,but a statistically significant difference(p=0.017)was found between sex(male:34.4%;female:4.8%).A higher seroprevalence was detected in adults(32.1%)than in juvenile birds(9.3%)(p=0.014),and age was considered a risk factor for flavivirus infection in wild birds(odds ratio 1.4;95%CI:0.5-4.0).More epidemiological studies are needed in Portugal since the actual spread of the genus Flavivirus throughout the country is unknown.
基金supported by:national funds through FCT/MCTES(PIDDAC)e LEPABE,UIDB/00511/2020(DOI:10.54499/UIDB/00511/2020)UIDP/00511/2020(DOI:10.54499/UIDP/00511/2020),LSRE-LCM,UIDB/50020/2020(DOI:10.54499/UIDB/50020/2020)+4 种基金UIDP/50020/2020(DOI:10.54499/UIDP/50020/2020)ALiCE,LA/P/0045/2020(DOI:10.54499/LA/P/0045/2020)FCT e Fundaç~ao para a Ci^encia e a Tecnologia,I.P.through the projects with references UIDB/04750/2020 and LA/P/0064/2020 and DOI identifiers https://doi.org/10.54499/UIDB/04750/2020 and https://doi.org/10.54499/LA/P/0064/2020Project POCI-01-0145-FEDER-031297(CytoStraTech)dfunded by FEDER funds through COMPETE2020dPrograma Operacional Competitividade e Internacionalizaç~ao(POCI)and by national funds(PIDDAC)through FCT/MCTES.Maria Francisca Portilha-Cunha is grateful to FCT for her Ph.D.grant(2021.05219.BD)ARLR acknowledges the FCT funding received under the Scientific Employment Stimulus-Individual Call(2022.00184.CEECIND/CP1733/CT0001,DOI:10.54499/2022.00184.CEECIND/CP1733/CT0001).
文摘Antineoplastic drugs(ADs)are hazardous medicinal products highlighted in the EU strategic framework on health and safety at work 2021-2027.To minimize workers'chronic exposure in oncologic settings,regular monitoring programs for these drugs are crucial and mandatory in the EU(Directive 2004/37/EC).No surveillance exists in Portugal,thus we intended to assess environmental contamination and to perform occupational exposure and risk graduation in a Portuguese tertiary hospital.Wipe sampling and liquid chromatographyetandem mass spectrometry were employed to analyze thirteen drugs of concern(bicalutamide,capecitabine,cyclophosphamide,cyproterone,doxorubicin,etoposide,flutamide,ifosfamide,imatinib,megestrol,mycophenolate mofetil,paclitaxel,prednisone),eight for the first time worldwide,in 152 surface samples over three sampling campaigns.Surface contamination before general cleaning(worst-case scenario)was higher and more widespread in the pharmacy(84%-98%positive samples)than in the day-care hospital(40%-72%).No samples were found above the“action limit”(10000 pg/cm^(2)),but concentrations were frequently above the“safe”/alert level(100 pg/cm^(2)),particularly for cyclophosphamide and ifosfamide(largest campaign's 90th percentiles:2197 pg/cm^(2)and 1898 pg/cm^(2)).Despite the approach's nuances,the maximum daily dermal intake calculated(1.6 mg/day,considering a single genotoxic drug)was lower than the acceptable daily intake.This study provided knowledge regarding surface contamination in a European hospital,where occupational exposure to some ADs of concern cannot be ruled out and follow-up monitoring is recommended,even if workers seem unlikely to develop cancer from handling them.Furthermore,this work contributes to the implementation of regular environmental monitoring programs for ADs in Portugal,enhancing compliance with EU recommendations.
