Hildegunn Viljugrein
Seniorforsker, Epidemiologi
Presentasjon
Bistilling (20%) på CEES - Centre for Ecological and Evolutionary Synthesis, UiO- Fagområder:
- Epidemiologi
Rapporter
- LuseKontroll: Statistisk modellering av kontrollstrategier for lakselus
- Risikomodell for kvantifisering av luseindusert dødlighet for villaks for 2019
- Kartlegging og overvåking av skrantesjuke (Chronic Wasting Disease - CWD) 2016-2018
- Miljøgifter i hubro i Norge 1994-2014 - Rottegifter, klororganiske forbindelser og toksiske metaller
- Kartlegging av skrantesjuke (Chronic Wasting Disease - CWD) i 2016 og 2017
- Risikomodell for kvantifisering av luseindusert dødelighet på villaks
- Videreutvikling av styringsverktøy for kontroll av lakselus i oppdrett
- Mekanisk avlusing med FLS-avlusersystem - dokumentasjon av fiskevelferd og effekt mot lus
- Termisk avlusning av laksefisk - dokumentasjon av fiskevelferd og effekt
- Thermal de-licing of salmonid fish - documentation of fish welfare and effect
- Rensefiskhelse-kartlegging av dødelighet og dødelighetsårsaker
- Kartlegging og overvåking av skrantesjuke (Chronic Wasting Disease - CWD) 2020
- Smittetesting for ILA i laksefamilier
- Evaluering av overvåkingsprogrammet for Brucella melitensis hos sau
- Produksjon av lakselus i oppdrett, estimert lusepåslag og vurdering av luseindusert dødelighet for villaks innen produksjons- områder for oppdrettslaks
- Kartlegging og overvåking av skrantesjuke (Chronic Wasting Disease CWD) 2021
Vitenskapelige artikler
- Mer lakselus på våren -økt trussel mot vill laksesmolt og mot vekst i oppdrettsnæringa
- Mer lakselus om våren -økt trussel mot vill laksesmolt og mot vekst i næringa
- Emergence of tick-borne diseases at northern latitudes in Europe: a comparative approach
- Utbruddet av skrantesyke er et tidsskille i norsk naturforvaltning
- Trace element composition of smolt scales from Atlantic salmon (Salmo salar L.), geographic variation between hatcheries
- A stage-structured Bayesian hierarchical model for salmon lice populations at individual salmon farms – Estimated from multiple farm data sets
- Low copper levels associated with low carcass weight in wild red deer (Cervus elaphus) in Norway
- The influence of red deer space use on the distribution of Ixodes ricinus ticks in the landscape
- Fiskehelsetjenesetene - bærebjelken i overvåking av norsk fiskehelse
- Contrasting emergence of Lyme disease across ecosystems
- Routine clinical inspections in Norwegian marine salmonid sites: A key role in surveillance for freedom from pathogenic viral haemorrhagic septicaemia (VHS)
- Phenology of deer ked (Lipoptena cervi) host-seeking flight activity and its relationship with prevailing autumn weather
- Liquid fat, a potential abiotic vector for horizontal transmission of salmonid alphavirus?
- Beregning av smittepress av lakselus
- Large scale modelling of salmon lice (Lepeophtheirus salmonis) infection pressure based on lice monitoring data from Norwegian salmonid farms
- Temporal pattern of questing tick Ixodes ricinus density at differing elevations in the coastal region of western Norway
- Detection of crayfish plague spores in large freshwater systems
- Climate and environmental change drives Ixodes ricinus geographical expansion at the northern range margin
- Seasonal increase in sea temperature triggers pancreas disease outbreaks in Norwegian salmon farms
- Transmission dynamics of pancreas disease (PD) in a Norwegian fjord: Aspects of water transport, contact networks and infection pressure among salmon farms
- Persistence of plague outbreaks among great gerbils in Kazakhstan: effects of host population dynamics
- Parasite load and seasonal migration in red deer
- The generalist tick Ixodes ricinus and the specialist tick Ixodes trianguliceps on shrews and rodents in a northern forest ecosystem – a role of body size even among small hosts
- Tick abundance, pathogen prevalence, and disease incidence in two contrasting regions at the northern distribution range of Europe
- A method that accounts for differential detectability in mixed samples of long-term infections with applications to the case of Chronic Wasting Disease in cervids
- Quantitative risk assessment of salmon louse-induced mortality of seaward-migrating post-smolt Atlantic salmon
- A cross-sectional study of suckling calves' passive immunity and associations with management routines to ensure colostrum intake.
- Prevalence of anticoagulant rodenticides in faeces of wild red foxes (Vulpes vulpes) in Norway
- How general are generalist parasites? The small mammal part of the Lyme disease transmission cycle in two ecosystems in northern Europe
- Lyme neuroborreliosis and bird populations in northern Europe
- Legal regulation of supplementary cervid feeding facing chronic wasting disease
- Elaphostrongylus and Dictyocaulus infections in Norwegian wild reindeer and red deer populations in relation to summer pasture altitude and climate
- The demographic pattern of infection with chronic wasting disease in reindeer at an early epidemic stage
- The unique spatial ecology of human hunters
- Getting in front of chronic wasting disease: Model-informed proactive approach for managing an emerging wildlife disease
- Climatically-driven synchrony of gerbil populations allows large-scale plague outbreaks
- Integration of hydrodynamics into a statistical model on the spread of pancreas disease (PD) in salmon farming
- Risk factors for pancreas disease (PD) outbreaks in farmed Atlantic salmon and rainbow trout in Norway during 2003-2007
- A stochastic model for the assessment of the transmission pathways of heart and skeleton muscle inflammation, pancreas disease and infectious salmon anaemia in marine fish farms in Norway
- Trends in Campylobacter incidence in broilers and humans in six European countries, 1997-2007
- Emergence, spread, persistence and fade-out of sylvatic plague in Kazakhstan
- Detection and quantification of the crayfish plague agent in natural waters: direct monitoring approach for aquatic environments
- Multi-source analysis reveals latitudinal and altitudinal shifts in range of Ixodes ricinus at its northern distribution limit
- Bayesian temporal source attributin of foodborne zoonoses: Campylobacter in Finland and Norway
- Sea lice as a density-dependent constraint to salmonid farming
- Monitoring the spore dynamics of Aphanomyces astaci in the ambient water of latent carrier crayfish
- Factors affecting deer ked (Lipoptena cervi) prevalence and infestation intensity in moose (Alces alces) in Norway
- Prevalence of tick borne encephalitis virus in tick nymphs in relation to climatic factors on the southern coast of Norway
- Risk map and spatial determinants of pancreas disease in the marine phase of Norwegian Atlantic salmon farming sites
- Local persistence and extinction of plague in a metapopulation of great gerbil burrows, Kazakhstan
- Spatial and seasonal variation in the prevalence of Anaplasma phagocytophilum and Borrelia burgdorferi sensu lato in questing Ixodes ricinus ticks in Norway
- Estimation of the reproduction number of salmon pancreas disease virus subtype 3 in homogeneously mixed populations of Norwegian farmed Atlantic salmon
- Ixodes ricinus infestation in free-ranging cervids in Norway-A study based upon ear examinations of hunted animals
- Landscape Level Variation in Tick Abundance Relative to Seasonal Migration in Red Deer
- Hair cortisol concentration and body mass in moose (Alces alces) infested with deer keds (Lipoptena cervi)
- Hunting strategies to increase detection of chronic wasting disease in cervids
- Harvest strategies for the elimination of low prevalence wildlife diseases
- Tick infestation on medium–large-sized mammalian hosts: are all equally suitable to Ixodes ricinus adults?
- High winter loads of Oestrid larvae and Elaphostrongylus rangiferi are associated with emaciation in wild reindeer calves
- The influence of temperature on the seasonality of historical plague outbreaks
- Improvement of aquaculture management practice by integration of hydrodynamic modelling
- A statistical mechanistic approach including temperature and salinity effects to improve salmon lice modelling of infestation pressure
- Risk-based surveillance of chronic wasting disease in semi-domestic reindeer
- Risk-based surveillance of chronic wasting disease in semi-domestic reindeer
- The relationship between quotas and harvest in the alpine reindeer population on Hardangervidda, Norway
- Destruction of the vascular viral receptor in infectious salmon anaemia provides in vivo evidence of homologous attachment interference
- Challenges and opportunities using hunters to monitor chronic wasting disease among wild reindeer in the digital era
- The emergence and shift in seasonality of Lyme borreliosis in Northern Europe
- Modelling salmon lice-induced mortality of wild salmon post-smolts is highly sensitive to calibration data
- An infectious disease outbreak and increased mortality in wild alpine reindeer
- Demographic patterns in Lyme borreliosis seasonality over 25 years
- Outdoor recreation, tick borne encephalitis incidence and seasonality in Finland, Norway and Sweden during the COVID-19 pandemic (2020/2021)
- Vector competence of Ixodes ricinus instars for the transmission of Borrelia burgdorferi sensu lato in different small mammalian hosts
- Harvest and decimation affect genetic drift and the effective population size in wild reindeer
- The red listed eagle owl (Bubo bubo) population in Norway is exposed to POP levels exceeding threshold values for adverse health effects
- Correction to: Vector competence of Ixodes ricinus instars for the transmission of Borrelia burgdorferi sensu lato in different small mammalian hosts (Parasites & Vectors, (2024), 17, 1, (23), 10.1186/s13071-023-06110-7)
- Assessing freedom from chronic wasting disease in semi-domesticated reindeer in Norway and Sweden
- Evidence of limited short‐term adverse demographic side effects of chronic wasting disease management
- Temporal increase in ticks and pathogen prevalence in the small mammal part of the Lyme disease cycle in northern Europe
- A salmon lice prediction model
- Data quality assessment of pig movements in the Norwegian Livestock Register reveals challenges for outbreak preparedness
- Modelling the effect of genotype (PRNP) linked to susceptibility, infection duration and prion shedding on chronic wasting disease dynamics of cervids