A5054503858- Animal Disease Management and Epidemiology
- Zoonotic diseases and public health
- Fish Ecology and Management Studies
- Marine and fisheries research
- Trypanosoma species research and implications
- Fish Biology and Ecology Studies
- Viral Infections and Vectors
- Vector-Borne Animal Diseases
- HIV/AIDS Research and Interventions
- COVID-19 epidemiological studies
- Agriculture and Farm Safety
- Mosquito-borne diseases and control
- Human-Animal Interaction Studies
- Parasites and Host Interactions
- HIV, Drug Use, Sexual Risk
- Adolescent Sexual and Reproductive Health
- Animal Virus Infections Studies
- SARS-CoV-2 detection and testing
- Aquatic Invertebrate Ecology and Behavior
- Viral Infections and Outbreaks Research
- Agriculture, Land Use, Rural Development
- SARS-CoV-2 and COVID-19 Research
- Indigenous Health, Education, and Rights
- Syphilis Diagnosis and Treatment
- Homelessness and Social Issues
University of Washington
2017-2025
Washington State University
2022
Washington State Department of Health
2022
Public Health – Seattle & King County
2022
Seattle University
2021
University of Idaho
2021
STS International
1990-1992
Esri (Canada)
1992
University of Toronto
1987-1990
The Scarborough Hospital
1987
We estimated potential changes in the size of thermal habitat representative cold-, cool-, and warmwater fish for southern Lake Michigan central basin Erie before after simulated global climate warming. Observed midlake structures were modeled (BASE) then manipulated with three general circulation models (OSU, GISS, GFDL) that projected warmer climates when atmospheric carbon dioxide concentrations doubled. Under BASE conditions, on an annual basis, lake trout Salvelinus namaycush had...
Stream inventories of brook trout (Salvelinus fontinalis) habitat show that the minimum altitude a stream in southern part native range rises steadily from sea level at about 39° 12′N, to approximately 640 m 34° 40′N margin range. Using this empirical lower boundary and statistical model influence latitude on groundwater temperature, I suggest altitudinal is shaped by 15 °C isotherm. used climate warming scenario Goddard Institute for Space Studies, GISS, estimate increase temperature range,...
I calibrated a hydrometeorological model of stream temperature to two southern Ontario streams in the summer estimate potential reductions, due climatic warming, thermal habitat for brook trout Salvelinus fontinalis. Summer both streams, determined from electrofishing surveys during 1987 and 1988, was delimited downstream by barrier about 24°C. Tagging data one suggested that moved upstream as water temperatures areas increased spring summer. To movement barriers concomitant reductions...
We review the factors that govern temperature of groundwater and influence on salmonine ecology in an attempt to show role will play impact climate warming stream salmonines. The mechanisms energy transfer from atmosphere through water are complex. Groundwater temperatures expected follow projected increases mean annual air warming, as modified by local microclimatic topographic conditions for which some general quantitative relationships given. At a particular site, increased increase redds...
Abstract The One Health approach, which assesses the interconnectedness of animal, human, and environmental health, fails to include amplify Indigenous knowledge scientists. To effectively center next within is historically based in Western science, similarities differences between specifically Traditional Ecological Knowledge (TEK), must be explored. objective this project identify values science that are unsupported or underrepresented then collaboratively ideate recommendations allies can...
Dual HIV and syphilis testing might help to prevent mother-to-child transmission (MTCT) of through increased case detection treatment. We aimed model assess the cost-effectiveness dual during antenatal care in four countries with varying prevalence.In this modelling study, we developed Markov models pregnant women estimate costs infant health outcomes maternal at first visit individual tests (base case) a rapid diagnostic test (scenario one). additionally evaluated retesting late delivery...
Background Dengue fever is the most common arboviral disease in humans, with an estimated 50-100 million annual infections worldwide. cases have increased substantially past four decades, driven largely by anthropogenic factors including climate change. More than half population of Peru at risk dengue infection and due to its geography, also particularly sensitive effects El Niño Southern Oscillation (ENSO). Determining effect ENSO on for outbreaks particular public health relevance may be...
Abstract SARS-CoV-2 likely emerged from an animal reservoir. However, the frequency of and risk factors for interspecies transmission remain unclear. We conducted a community-based study in Idaho, USA, pets households that had >1 confirmed infections humans. Among 119 dogs 57 cats, clinical signs consistent with were reported 20 (21%) 19 cats (39%). Of 81 32 sampled, 40% 43% seropositive, 5% 8% PCR positive. This discordance might be caused by delays sampling. Respondents commonly close...
We sketch an iterative assessment process for the effects of climate change on freshwater fisheries that uses water temperature, quantity, and quality variables to link atmosphere fishery resources. Iterative interaction among atmospheric, ecological, scientists clarifies information needs each discipline progressively improves assessments effects. The incorporates at different scales, i.e., organism/laboratory, species/habitat, population/ecosystem. illustrate operation with recent work...
Abstract Background The prevention of mother-to-child transmission (PMTCT) human T-cell lymphotropic virus type 1 (HTLV-1) is a top priority for HTLV-endemic countries due to its chronicity, lack treatment and association with the aggressive adult T cell leukemia/lymphoma in comparison other routes infection. As 2024, Japan, Brazil Chile are few national policies regarding antenatal screening. Peru, also an endemic country around 150,000 450,000 HTLV-1 carriers, has limited data pregnant...
Introduction Key populations, including female sex workers (FSW), people who inject drugs (PWID), and in serodiscordant partnerships, experience higher HIV incidence compared to the general population. Maternal retesting, particularly during late pregnancy, helps detect new infections prevent vertical transmission, but optimal testing schedules among key populations are unknown. Methods We used a Markov model estimate health economic impacts of maternal retesting on transmission outcomes FSW...
Introduction: Key populations, including female sex workers (FSW), people who inject drugs (PWID), and in serodiscordant partnerships, experience higher HIV incidence compared to the general population. Maternal retesting, particularly during late pregnancy, helps detect new infections prevent vertical transmission, but optimal testing schedules among key populations are unknown. Methods: We used a Markov model estimate health economic impacts of maternal retesting on transmission outcomes...
Abstract Introduction HIV retesting during late pregnancy and breastfeeding can help detect new maternal infections prevent mother‐to‐child transmission (MTCT), but the optimal timing cost‐effectiveness of remain uncertain. Methods We constructed deterministic models to assess health economic impact on a hypothetical population pregnant women, following initial testing in pregnancy, MTCT four countries: South Africa Kenya (high/intermediate prevalence), Colombia Ukraine (low prevalence)....
Abstract The One Health Clinic (OHC) is a transdisciplinary approach to healthcare services delivery, providing low-barrier and community for people experiencing homelessness (PEH) their companion animals that integrate human, animal, environmental health. This study aimed determine the effectiveness of an OHC model in youth young adult shelter on access healthcare, housing, resources. Researchers conducted semi-structured interviews with six client participants three provider participants,...
Human and animal African trypanosomiases impose a large economic health burden in their endemic regions. Large strides have been made the control of human trypanosomiasis (HAT), yet these efforts largely focused on non-zoonotic form disease. Using mathematical model with 10 year time horizon, we demonstrate role cattle treatment trypanocides epidemiology zoonotic HAT Uganda, its potential implications elimination eradication disease.We created two compartmental, deterministic models, each...
Domestic and wild animals are important reservoirs of the rhodesiense form human African trypanosomiasis (rHAT), however quantification this effect offers utility for deploying non-medical control activities, anticipating their success when wildlife excluded. Further, uncertain role animal reservoirs-particularly pigs-threatens elimination transmission (EOT) targets set gambiense (gHAT). Using a new time series high-resolution cattle pig density maps, HAT surveillance data collated by WHO...
Abstract Tuberculosis (TB) is a leading infectious cause of human death worldwide. In cattle, TB infection results in productivity losses, trade barriers and zoonotic transmission via milk, meat or direct contact. We conducted cross‐sectional study rural communities Uganda between 2014 2016 to evaluate the association tuberculosis skin test (TST) positivity humans cattle‐associated risk factors: household herd raw milk consumption. Human cattle TSTs were performed followed by survey...