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  1. Article ; Online: COVID-19 epidemiology and rural healthcare: a survey in a Spanish village.

    Rodríguez-Del-Río, Francisco J / Barroso, Patricia / Fernández-de-Mera, Isabel G / de la Fuente, José / Gortázar, Christian

    Epidemiology and infection

    2023  Volume 151, Page(s) e188

    Abstract: We used primary care data to retrospectively describe the entry, spread, and impact of COVID-19 in a remote rural community and the associated risk factors and challenges faced by the healthcare team. Generalized linear models were fitted to assess the ... ...

    Abstract We used primary care data to retrospectively describe the entry, spread, and impact of COVID-19 in a remote rural community and the associated risk factors and challenges faced by the healthcare team. Generalized linear models were fitted to assess the relationship between age, sex, period, risk group status, symptom duration, post-COVID illness, and disease severity. Social network and cluster analyses were also used. The first six cases, including travel events and a social event in town, contributed to early infection spread. About 351 positive cases were recorded and 6% of patients experienced two COVID-19 episodes in the 2.5-year study period. Five space-time case clusters were identified. One case, linked with the social event, was particularly central in its contact network. The duration of disease symptoms was driven by gender, age, and risk factors. The probability of suffering severe disease increased with symptom duration and decreased over time. About 27% and 23% of individuals presented with residual symptoms and post-COVID illness, respectively. The probability of developing a post-COVID illness increased with age and the duration of COVID-associated symptoms. Carefully registered primary care data may help optimize infection prevention and control efforts and upscale local healthcare capacities in vulnerable rural communities.
    MeSH term(s) Humans ; COVID-19/epidemiology ; Rural Population ; SARS-CoV-2 ; Retrospective Studies ; Delivery of Health Care
    Language English
    Publishing date 2023-10-27
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 632982-2
    ISSN 1469-4409 ; 0950-2688
    ISSN (online) 1469-4409
    ISSN 0950-2688
    DOI 10.1017/S0950268823001759
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Transgenerational effects of triazole fungicides on gene expression and egg compounds in non-exposed offspring: A case study using Red-Legged Partridges (Alectoris rufa).

    Fernández-Vizcaíno, Elena / Mateo, Rafael / Fernández de Mera, Isabel G / Mougeot, François / Camarero, Pablo R / Ortiz-Santaliestra, Manuel E

    The Science of the total environment

    2024  Volume 926, Page(s) 171546

    Abstract: Triazole fungicides are widely used to treat cereal seeds before sowing. Granivorous birds like the Red-legged Partridge (Alectoris rufa) have high exposure risk because they ingest treated seeds that remain on the field surface. As triazole fungicides ... ...

    Abstract Triazole fungicides are widely used to treat cereal seeds before sowing. Granivorous birds like the Red-legged Partridge (Alectoris rufa) have high exposure risk because they ingest treated seeds that remain on the field surface. As triazole fungicides can act as endocrine disruptors, affecting sterol synthesis and reproduction in birds several months after exposure, we hypothesized that these effects could also impact subsequent generations of exposed birds. To test this hypothesis, we exposed adult partridges (F0) to seeds treated at commercial doses with four different formulations containing triazoles as active ingredients (flutriafol, prothioconazole, tebuconazole, and a mixture of the latter two), simulating field exposure during late autumn sowing. During the subsequent reproductive season, two to four months after exposure, we examined compound allocation of steroid hormones, cholesterol, vitamins, and carotenoids in eggs laid by exposed birds (F1), as well as the expression of genes encoding enzymes involved in sterol biosynthesis in one-day-old chicks of this F1. One year later, F1 animals were paired again to investigate the expression of the same genes in the F2 chicks. We found changes in the expression of some genes for all treatments and both generations. Additionally, we observed an increase in estrone levels in eggs from partridges treated with flutriafol compared to controls, a decrease in tocopherol levels in partridges exposed to the mixture of tebuconazole and prothioconazole, and an increase in retinol levels in partridges exposed to prothioconazole. Despite sample size limitations, this study provides novel insights into the mechanisms of action of the previously observed effects of triazole fungicide-treated seeds on avian reproduction with evidence that the effects can persist beyond the exposure windows, affecting unexposed offspring of partridges fed with treated seeds. The results highlight the importance of considering long-term chronic effects when assessing pesticide risks to wild birds.
    MeSH term(s) Animals ; Fungicides, Industrial/toxicity ; Fungicides, Industrial/metabolism ; Galliformes ; Quail ; Chickens ; Triazoles/toxicity ; Triazoles/metabolism ; Gene Expression ; Sterols
    Chemical Substances Fungicides, Industrial ; Triazoles ; Sterols
    Language English
    Publishing date 2024-03-12
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2024.171546
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Detection of environmental SARS‐CoV‐2 RNA in a high prevalence setting in Spain

    Fernández‐de‐Mera, Isabel G / Rodríguez del‐Río, Francisco J / de la Fuente, José / Pérez‐Sancho, Marta / Hervás, Dolores / Moreno, Inmaculada / Domínguez, Mercedes / Domínguez, Lucas / Gortázar, Christian

    Transboundary and emerging diseases. 2021 May, v. 68, no. 3

    2021  

    Abstract: ... use surfaces and clothes in the homes of 13 confirmed cases, from surfaces in nine public service sites (e.g ...

    Abstract Since March 2020, Spain (along with many other countries) has been severely affected by the ongoing coronavirus disease 19 (COVID‐19) pandemic caused by the rapid spread of a new virus (severe acute respiratory syndrome coronavirus 2; SARS‐CoV‐2). As part of global efforts to improve disease surveillance, we investigated how readily SARS‐CoV‐2 RNA could be detected in environmental samples collected from an isolated rural community in Spain with a high COVID‐19 prevalence (6% of the population of 883 inhabitants). The first diagnosis of COVID‐19‐compatible symptoms in the village was recorded on 3 March 2020, and the last known active case resolved on 5 June 2020. By 15 May, two months after strict movement constraints were imposed (‘lockdown’), and the cumulative number of symptomatic cases had increased to 53. Of those cases, 22 (41%) had been tested and confirmed by RT‐PCR. On 13 May and 5 June, samples were collected from high‐use surfaces and clothes in the homes of 13 confirmed cases, from surfaces in nine public service sites (e.g. supermarket and petrol station) and from the wastewater of the village sewage system. SARS‐CoV‐2 RNA was detected in 7 of 57 (12%) samples, including three households and three public sites. While there is not yet sufficient evidence to recommend environmental surveillance as a standard approach for COVID‐19 epidemiology, environmental surveillance research may contribute to advance knowledge about COVID‐19 by further elucidating virus shedding dynamics and environmental contamination, including the potential identification of animal reservoirs.
    Keywords COVID-19 infection ; RNA ; Severe acute respiratory syndrome coronavirus 2 ; animals ; clothing ; disease surveillance ; environmental monitoring ; gasoline ; pandemic ; pollution ; rural communities ; sewage systems ; supermarkets ; villages ; viruses ; wastewater ; Spain
    Language English
    Dates of publication 2021-05
    Size p. 1487-1492.
    Publishing place John Wiley & Sons, Ltd
    Document type Article
    Note NAL-AP-2-clean ; JOURNAL ARTICLE
    ZDB-ID 2414822-2
    ISSN 1865-1682 ; 1865-1674
    ISSN (online) 1865-1682
    ISSN 1865-1674
    DOI 10.1111/tbed.13817
    Database NAL-Catalogue (AGRICOLA)

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  4. Article ; Online: Exploring the diversity of tick-borne pathogens: The case of bacteria (Anaplasma, Rickettsia, Coxiella and Borrelia) protozoa (Babesia and Theileria) and viruses (Orthonairovirus, tick-borne encephalitis virus and louping ill virus) in the European continent.

    Moraga-Fernández, Alberto / Muñoz-Hernández, Clara / Sánchez-Sánchez, Marta / Fernández de Mera, Isabel G / de la Fuente, José

    Veterinary microbiology

    2023  Volume 286, Page(s) 109892

    Abstract: Ticks are the main vectors for the transmission of bacterial, protist and viral pathogens in Europe affecting wildlife and domestic animals. However, some of them are zoonotic and can cause serious, sometimes fatal, problems in human health. A systematic ...

    Abstract Ticks are the main vectors for the transmission of bacterial, protist and viral pathogens in Europe affecting wildlife and domestic animals. However, some of them are zoonotic and can cause serious, sometimes fatal, problems in human health. A systematic review in PubMed/MEDLINE database was conducted to determine the spatial distribution and host and tick species ranges of a selection of tick-borne bacteria (Anaplasma spp., Borrelia spp., Coxiella spp., and Rickettsia spp.), protists (Babesia spp. and Theileria spp.), and viruses (Orthonairovirus, and flaviviruses tick-borne encephalitis virus and louping ill virus) on the European continent in a five-year period (November 2017 - November 2022). Only studies using PCR methods were selected, retrieving a total of 429 articles. Overall, up to 85 species of the selected tick-borne pathogens were reported from 36 European countries, and Anaplasma spp. was described in 37% (159/429) of the articles, followed by Babesia spp. (34%, 148/429), Borrelia spp. (34%, 147/429), Rickettsia spp. (33%, 142/429), Theileria spp. (11%, 47/429), tick-borne flaviviruses (9%, 37/429), Orthonairovirus (7%, 28/429) and Coxiella spp. (5%, 20/429). Host and tick ranges included 97 and 50 species, respectively. The highest tick-borne pathogen diversity was detected in domestic animals, and 12 species were shared between humans, wildlife, and domestic hosts, highlighting the following zoonotic species: Anaplasma phagocytophilum, Babesia divergens, Babesia microti, Borrelia afzelii, Borrelia burgdorferi s.s., Borrelia garinii, Borrelia miyamotoi, Crimean-Congo hemorrhagic fever virus, Coxiella burnetii, Rickettsia monacensis and tick-borne encephalitis virus. These results contribute to the implementation of effective interventions for the surveillance and control of tick-borne diseases.
    MeSH term(s) Animals ; Humans ; Babesia/genetics ; Encephalitis Viruses, Tick-Borne/genetics ; Anaplasma/genetics ; Theileria ; Coxiella ; Ixodes/microbiology ; Ixodes/parasitology ; Borrelia/genetics ; Rickettsia/genetics ; Animals, Domestic ; Tick-Borne Diseases/epidemiology ; Tick-Borne Diseases/veterinary ; Tick-Borne Diseases/microbiology ; Animals, Wild
    Language English
    Publishing date 2023-10-15
    Publishing country Netherlands
    Document type Systematic Review ; Journal Article ; Review
    ZDB-ID 753154-0
    ISSN 1873-2542 ; 0378-1135
    ISSN (online) 1873-2542
    ISSN 0378-1135
    DOI 10.1016/j.vetmic.2023.109892
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Detection of environmental SARS-CoV-2 RNA in a high prevalence setting in Spain.

    Fernández-de-Mera, Isabel G / Rodríguez Del-Río, Francisco J / de la Fuente, José / Pérez-Sancho, Marta / Hervás, Dolores / Moreno, Inmaculada / Domínguez, Mercedes / Domínguez, Lucas / Gortázar, Christian

    Transboundary and emerging diseases

    2020  Volume 68, Issue 3, Page(s) 1487–1492

    Abstract: ... use surfaces and clothes in the homes of 13 confirmed cases, from surfaces in nine public service sites (e.g ...

    Abstract Since March 2020, Spain (along with many other countries) has been severely affected by the ongoing coronavirus disease 19 (COVID-19) pandemic caused by the rapid spread of a new virus (severe acute respiratory syndrome coronavirus 2; SARS-CoV-2). As part of global efforts to improve disease surveillance, we investigated how readily SARS-CoV-2 RNA could be detected in environmental samples collected from an isolated rural community in Spain with a high COVID-19 prevalence (6% of the population of 883 inhabitants). The first diagnosis of COVID-19-compatible symptoms in the village was recorded on 3 March 2020, and the last known active case resolved on 5 June 2020. By 15 May, two months after strict movement constraints were imposed ('lockdown'), and the cumulative number of symptomatic cases had increased to 53. Of those cases, 22 (41%) had been tested and confirmed by RT-PCR. On 13 May and 5 June, samples were collected from high-use surfaces and clothes in the homes of 13 confirmed cases, from surfaces in nine public service sites (e.g. supermarket and petrol station) and from the wastewater of the village sewage system. SARS-CoV-2 RNA was detected in 7 of 57 (12%) samples, including three households and three public sites. While there is not yet sufficient evidence to recommend environmental surveillance as a standard approach for COVID-19 epidemiology, environmental surveillance research may contribute to advance knowledge about COVID-19 by further elucidating virus shedding dynamics and environmental contamination, including the potential identification of animal reservoirs.
    MeSH term(s) Animals ; COVID-19/epidemiology ; COVID-19/virology ; Communicable Disease Control ; Environmental Microbiology ; Environmental Monitoring ; Humans ; Prevalence ; RNA, Viral/isolation & purification ; SARS-CoV-2/genetics ; SARS-CoV-2/isolation & purification ; Spain/epidemiology ; Virus Shedding
    Chemical Substances RNA, Viral
    Keywords covid19
    Language English
    Publishing date 2020-09-24
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2414822-2
    ISSN 1865-1682 ; 1865-1674
    ISSN (online) 1865-1682
    ISSN 1865-1674
    DOI 10.1111/tbed.13817
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Challenges at the host-arthropod-coronavirus interface and COVID-19: a One Health approach.

    Fuente, José de la / Mera, Isabel G Fernández de / Gortázar, Christian

    Frontiers in bioscience (Landmark edition)

    2021  Volume 26, Issue 8, Page(s) 379–386

    Abstract: ... ...

    Abstract Background
    MeSH term(s) Animals ; Arthropod Vectors ; COVID-19/transmission ; COVID-19/virology ; Host-Parasite Interactions ; Humans ; SARS-CoV-2/isolation & purification ; Zoonoses
    Language English
    Publishing date 2021-08-29
    Publishing country Singapore
    Document type Journal Article
    ZDB-ID 2704569-9
    ISSN 2768-6698 ; 1093-9946
    ISSN (online) 2768-6698
    ISSN 1093-9946
    DOI 10.52586/4951
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: The Saharan antelope addax (Addax nasomaculatus) as a host for Hyalomma marginatum, tick vector of Crimean-Congo hemorrhagic fever virus.

    Rodríguez, Oscar / de la Fuente, Gabriela / Fernández de Mera, Isabel G / Vaz-Rodrigues, Rita / Gortázar, Christian / de la Fuente, José

    Ticks and tick-borne diseases

    2022  Volume 13, Issue 6, Page(s) 102034

    Abstract: Tick infestation and pathogen prevalence in ticks infesting the Saharan antelope addax (Addax nasomaculatus) are factors that may constitute a risk for both human and animal health. In this study we describe season distribution of adult Hyalomma ... ...

    Abstract Tick infestation and pathogen prevalence in ticks infesting the Saharan antelope addax (Addax nasomaculatus) are factors that may constitute a risk for both human and animal health. In this study we describe season distribution of adult Hyalomma marginatum and analyzed the tick-borne pathogens and their seroprevalence in natural-living addax in Morocco. The results showed that addax is an important host species for H. marginatum adults. The seroprevalence of Bluetongue virus (BTV; 61.5-92.3%, n = 8/13-84/91), Coxiella burnetii (36.3-69.2%, n = 33/91-9/13) and Brucella spp. (0.0-4.8%, n = 0/50-2/42) was characterized in addax during various years (sampled animals per year, n = 13-91). Presence of Aigai virus (AIGV), a recent taxonomic differentiation of Crimean-Congo hemorrhagic fever virus (CCHFV) of 100% (4/4, years 2016 and 2017) together with Babesia ovis (75%, 3/4, year 2014), Anaplasma spp. (75%, 3/4, year 2014), Rickettsia spp. (50%, 2/4, year 2014) and Theileria spp. (25%, 1/4, year 2014) was observed in H. marginatum collected from the addax (4 pools of 10 adult ticks each). The results support the role of addax host in H. marginatum life cycle and exposure to AIGV and other tick-borne pathogens. The development of control interventions including anti-tick vaccines for wildlife species will contribute to the implementation of effective measures for the prevention and control of tick-borne diseases and might be relevant for the preservation of this threatened species and others such as Arabian oryx (Oryx leucoryx) and African elk (Taurotragus oryx) that share habitat.
    Language English
    Publishing date 2022-08-24
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 2541872-5
    ISSN 1877-9603 ; 1877-959X
    ISSN (online) 1877-9603
    ISSN 1877-959X
    DOI 10.1016/j.ttbdis.2022.102034
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Molecular detection and associated risk factors of Anaplasma marginale, A. ovis and A. platys in sheep from Algeria with evidence of the absence of A. phagocytophilum.

    Chadi, Hafidha / Moraga-Fernández, Alberto / Sánchez-Sánchez, Marta / Chenchouni, Haroun / Fernández de Mera, Isabel G / Garigliany, Mutien-Marie / de la Fuente, José / Tennah, Safia / Sedrati, Tahar / Ghalmi, Farida

    Acta tropica

    2023  Volume 249, Page(s) 107040

    Abstract: Anaplasma species are obligate intracellular rickettsial pathogens that cause significant diseases in animals and humans. Despite their importance, limited information on Anaplasma infections in Algeria has been published thus far. This study aimed to ... ...

    Abstract Anaplasma species are obligate intracellular rickettsial pathogens that cause significant diseases in animals and humans. Despite their importance, limited information on Anaplasma infections in Algeria has been published thus far. This study aimed to assess the infection rate, characterize Anaplasma species, and identify associated risk factors in selected sheep farms across Oum El Bouaghi region in Algeria. In 2018, we collected 417 blood samples from sheep (Ovis aries) and performed molecular characterization of Anaplasma species infecting these animals. This characterization involved the use of 16S rRNA, msp2, rpoB, and msp5 genes, which were analyzed through nested PCR, qPCR, cPCR, DNA sequencing, and subsequent phylogenetic analysis. Our findings revealed infection rates of 12.7 % for Anaplasma species detected, with Anaplasma ovis at 10.8 %, Anaplasma marginale at 1.7 %, and Anaplasma platys at 0.2 %. Interestingly, all tested animals were found negative for Anaplasma phagocytophilum. Statistical analyses, including the Chi-square test and Fisher exact test, failed to establish any significant relationships (p > 0.05) between A. ovis and A. platys infections and variables such as age, sex, sampling season, and tick infestation level. However, A. marginale infection exhibited a significant association with age (p < 0.05), with a higher incidence observed in lambs (5.2 %) compared to other age groups. Remarkably, this study represents the first molecular detection of A. platys and A. marginale in Algerian sheep. These findings suggest that Algerian sheep may serve as potential reservoirs for these pathogens. This research contributes valuable insights into the prevalence and characteristics of Anaplasma infections in Algerian sheep populations, emphasizing the need for further investigation and enhanced surveillance to better understand and manage these diseases.
    MeSH term(s) Humans ; Animals ; Sheep ; Anaplasma marginale/genetics ; Anaplasmosis/epidemiology ; RNA, Ribosomal, 16S/genetics ; Algeria/epidemiology ; Phylogeny
    Chemical Substances RNA, Ribosomal, 16S
    Language English
    Publishing date 2023-10-13
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 210415-5
    ISSN 1873-6254 ; 0001-706X
    ISSN (online) 1873-6254
    ISSN 0001-706X
    DOI 10.1016/j.actatropica.2023.107040
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Detection of environmental SARS‐CoV‐2 RNA in a high prevalence setting in Spain

    Fernández‐de‐Mera, Isabel G. / Rodríguez del‐Río, Francisco J. / Fuente, José / Pérez‐Sancho, Marta / Hervás, Dolores / Moreno, Inmaculada / Domínguez, Mercedes / Domínguez, Lucas / Gortázar, Christian

    Transboundary and Emerging Diseases ; ISSN 1865-1674 1865-1682

    2020  

    Keywords General Immunology and Microbiology ; General Veterinary ; General Medicine ; covid19
    Language English
    Publisher Wiley
    Publishing country us
    Document type Article ; Online
    DOI 10.1111/tbed.13817
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article: Detection of environmental SARS-CoV-2 RNA in a high prevalence setting in Spain

    Fernández-de-Mera, Isabel G / Rodríguez Del-Río, Francisco J / Fuente, José de la / Pérez-Sancho, Marta / Hervás, Dolores / Moreno, Inmaculada / Domínguez, Mercedes / Domínguez, Lucas / Gortázar, Christian

    Abstract: ... use surfaces and clothes in the homes of 13 confirmed cases, from surfaces in nine public service sites (e.g ...

    Abstract Since March 2020, Spain (along with many other countries) has been severely affected by the ongoing coronavirus disease 19 (COVID-19) pandemic caused by the rapid spread of a new virus (severe acute respiratory syndrome coronavirus 2; SARS-CoV-2). As part of global efforts to improve disease surveillance, we investigated how readily SARS-CoV-2 RNA could be detected in environmental samples collected from an isolated rural community in Spain with a high COVID-19 prevalence (6% of the population of 883 inhabitants). The first diagnosis of COVID-19-compatible symptoms in the village was recorded on March 3, 2020 and the last known active case resolved on June 5, 2020. By May 15, two months after strict movement constraints were imposed ("lockdown") the cumulative number of symptomatic cases had increased to 53. Of those cases, 22 (41%) had been tested and confirmed by RT-PCR. On May 13 and June 5, samples were collected from high-use surfaces and clothes in the homes of 13 confirmed cases, from surfaces in nine public service sites (e.g. supermarket and petrol station), and from the wastewater of the village sewage system. SARS-CoV-2 RNA was detected in 7 of 57 (12%) samples, including three households and three public sites. While there is not yet sufficient evidence to recommend environmental surveillance as a standard approach for COVID-19 epidemiology, environmental surveillance research may contribute to advance knowledge about COVID-19 by further elucidating virus shedding dynamics and environmental contamination, including the potential identification of animal reservoirs.
    Keywords covid19
    Publisher WHO
    Document type Article
    Note WHO #Covidence: #32894654
    Database COVID19

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