Faculty profile

Zvonimir Poljak

ResearcherPopulation MedicineUniversity of Guelph

This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a University of Guelph directory, so their courses may be missing. Find their university profile.

Zvonimir Poljak

Researcher

Population Medicine

Health Sciences

University of Guelph

Guelph, Ontario, Canada

Supervision signals

Has led research grants, which requires an independent research appointment. Ask their department whether they supervise graduate students.
37 publications in the last five years, latest in 2026.
Senior (last) author on 16 recent papers, a sign of leading a research group.
Principal investigator on 6 research grants (5 NSERC, 1 CIHR), most recently in 2024.

These signals come from public records, including CIHR, NSERC and SSHRC funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

114

Publications

Collaborators

Grants

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

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Signals and details

Research

Antigenicity Genomic Epidemiology H5nx Host Machine Learning Predictive Model Risk Assessment Surveillance

Latest papers

Determining the Environmental and Ecological Factors Associated With Poultry Farm Spillover of Highly Pathogenic Avian Influenza (H5N1) in British Columbia, Canada.
Zoonoses and public health · 2026
Exploratory analysis of risk factors associated with antimicrobial resistance in urinary Escherichia coli from dogs in the United States (2018-2024).
BMC veterinary research · 2026 · senior author
Mammary and respiratory infection of sheep with H5Nx clade 2.3.4.4b viruses with milk-mediated transmission to lambs.
Science advances · 2026

All 114 publications

Latest funding

Passeriformes, Poultry, Pastures, People, and Preparedness (5Ps): Tackling Avian Influenza A (H5Nx) Challenges at the Agriculture Interface
CIHR · 2024 · Co-investigator
$149,558
The H5Nx Genomic Landscape: Predictive Modelling of Host and Antigenic Transitions
CIHR · 2024 · Nominated PI
The H5Nx Genomic Landscape: Predictive Modelling of Host and Antigenic Transitions
NSERC · 2024 · Principal investigator
$150,000

All 10 grants and awards

114 publications.

Determining the Environmental and Ecological Factors Associated With Poultry Farm Spillover of Highly Pathogenic Avian Influenza (H5N1) in British Columbia, Canada.

Oremush R, Aubry P, Parmley EJ, Poljak Z, Greer A

Zoonoses and public health2026

DOI: 10.1111/zph.70065 PMID: 42136541

Exploratory analysis of risk factors associated with antimicrobial resistance in urinary Escherichia coli from dogs in the United States (2018-2024).

Ojasanya RA, Weese JS, Sobkowich KE, Deckert A, Szlosek D, Plum A, Bernardo TM, Poljak Z

BMC veterinary research2026Senior author

DOI: 10.1186/s12917-026-05659-6 PMID: 42337613

Mammary and respiratory infection of sheep with H5Nx clade 2.3.4.4b viruses with milk-mediated transmission to lambs.

Alkie TN, Embury-Hyatt C, Signore AV, Moffat E, Ramos D, Raj S, Hisanaga T, Ayilara I, Sullivan DS, Lloyd P, Pama L, Erdelyan CNG, Lang AS, Kobasa D, Ojkic D, Matheson L, Lung O, Poljak Z, Berhane Y

Science advances2026

DOI: 10.1126/sciadv.aed1287 PMID: 42102219

Comparing Pharmacokinetics of Meloxicam When Administered With a Needle-Free Injection Device Versus Needle-And-Syringe in Piglets.

Pham MM, O'Sullivan TL, Del Rocio Amezcua M, Enouri S, Gu Y, Poljak Z, Reinhart JM, Johnson R

Journal of veterinary pharmacology and therapeutics2026

DOI: 10.1111/jvp.70014 PMID: 40729459

Predicting the frequency of positive laboratory submissions for porcine reproductive and respiratory syndrome in Ontario, Canada, using autoregressive integrated moving average, exponential smoothing, random forest, and recurrent neural network.

Petukhova T, Spinato M, Rossi T, Guerin MT, Bauman CA, Nelson-Smikle P, Ojkic D, Poljak Z

PloS one2025Senior author

DOI: 10.1371/journal.pone.0339987 PMID: 41474798

Characterizing approaches used to display antimicrobial resistance data in veterinary and human medicine: a scoping review.

Alberts F, Rocha L, He E, Keay S, Sobkowich K, Cazer CL, Weese S, Bernardo T, Poljak Z

Antimicrobial stewardship & healthcare epidemiology : ASHE2025Senior author

DOI: 10.1017/ash.2025.10243 PMID: 41446401

Assessment of seasonality in antimicrobial susceptibility testing and resistance of urinary Escherichia coli from dogs and cats in the United States (2019 - 2022).

Ojasanya RA, Weese JS, Sobkowich KE, Deckert A, Szlosek D, Plum A, Bernardo TM, Poljak Z

Preventive veterinary medicine2025Senior author

DOI: 10.1016/j.prevetmed.2025.106684 PMID: 40929873

Evaluating machine learning approaches for host prediction using H3 influenza genomic data.

Tran H, Berke O, Ricker N, Poljak Z

PloS one2025Senior author

DOI: 10.1371/journal.pone.0336142 PMID: 41191716

Dairy cow- and avian-origin clade 2.3.4.4b H5N1 induce severe mastitis in lactating goats and transmission to suckling goats.

Alkie TN, Embury-Hyatt C, Signore AV, Ramos D, Moffat E, Raj S, Gebrebrhan H, Ayilara I, Hisanaga T, Erdelyan CNG, Lloyd P, Lung O, Ojkic D, Jardine CM, Matheson L, Kobasa D, Poljak Z, Mubareka S, Webby R, Berhane Y

Cell reports2025

DOI: 10.1016/j.celrep.2025.116346 PMID: 40996885

A tale of two labs: Comparing antimicrobial resistance data in pets across commercial and academic diagnostic laboratories.

Sobkowich KE, Poljak Z, Szlosek D, Angel CC, Mosaddegh A, Weese JS, Guarino C, Cazer CL

Preventive veterinary medicine2025

DOI: 10.1016/j.prevetmed.2025.106588 PMID: 40472427

Passeriformes, Poultry, Pastures, People, and Preparedness (5Ps): Tackling Avian Influenza A (H5Nx) Challenges at the Agriculture Interface

Co-investigatorCIHR2024Catalyst Grant: Avian Influenza OneHealth Research

Principal investigators: Greer, Amy

Keywords: Antiviral; Disease Emergence; Epidemiology; Influenza A; Occupational Health; One Health; Pandemic Preparedness; Public Health; Vaccine; Veterinary Medicine

$149,558

The H5Nx Genomic Landscape: Predictive Modelling of Host and Antigenic Transitions

Nominated PICIHR2024Catalyst Grant: Avian Influenza OneHealth Research

Principal investigators: Poljak, Zvonimir

Keywords: Antigenicity; Genomic Epidemiology; H5nx; Host; Machine Learning; Predictive Model; Risk Assessment; Surveillance

The H5Nx Genomic Landscape: Predictive Modelling of Host and Antigenic Transitions

Principal investigatorNSERC2024Alliance Grants

Principal investigators: Poljak, Zvonimir Z

$150,000

Expanding Ontario Interactive Animal Pathogen Dashboards

Principal investigatorNSERC2023Alliance Grants

Principal investigators: Poljak, Zvonimir Z

Keywords: animal health surveillance; bovine; caprine; dashboard; infectious disease; ovine; poultry; real-time; swine; veterinary epidemiology

$21,075

Is it possible to control avian influenza virus transmission?

Co-investigatorNSERC2018Collaborative Research and Development Grants

Principal investigators: Sharif, Shayan

$97,000

Novel approaches to investigation and control of important viral diseases in swine populations

Principal investigatorNSERC2016Discovery Grants Program - Individual

Principal investigators: Poljak, Zvonimir

$186,000

Epidemiological investigations documenting the emergence and control of porcine epidemic diarrhea virus in Ontario swine herds

Co-investigatorNSERC2015Collaborative Research and Development Grants

Principal investigators: OSullivan, Terri

$50,000

Effect of targeted selective treatement with closantel at lambing in haemonchus burdens on Ontario sheep farms with anthelmintic resistance

Co-investigatorNSERC2012Collaborative Research and Development Grants

Principal investigators: Peregrine, Andrew

$117,117

Design and evaluation of disease control and elimination strategies from swine populations

Principal investigatorNSERC2011Discovery Grants Program - Individual

Principal investigators: Poljak, Zvonimir

$145,000

Which variants of influenza viruses commonly circulate in Ontario swine?

Principal investigatorNSERC2011Collaborative Research and Development Grants

Principal investigators: Poljak, Zvonimir

$20,000

From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.

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Zvonimir Poljak

Research

Latest papers

Latest funding

Determining the Environmental and Ecological Factors Associated With Poultry Farm Spillover of Highly Pathogenic Avian Influenza (H5N1) in British Columbia, Canada.

Exploratory analysis of risk factors associated with antimicrobial resistance in urinary Escherichia coli from dogs in the United States (2018-2024).

Mammary and respiratory infection of sheep with H5Nx clade 2.3.4.4b viruses with milk-mediated transmission to lambs.

Comparing Pharmacokinetics of Meloxicam When Administered With a Needle-Free Injection Device Versus Needle-And-Syringe in Piglets.

Predicting the frequency of positive laboratory submissions for porcine reproductive and respiratory syndrome in Ontario, Canada, using autoregressive integrated moving average, exponential smoothing, random forest, and recurrent neural network.

Characterizing approaches used to display antimicrobial resistance data in veterinary and human medicine: a scoping review.

Assessment of seasonality in antimicrobial susceptibility testing and resistance of urinary Escherichia coli from dogs and cats in the United States (2019 - 2022).

Evaluating machine learning approaches for host prediction using H3 influenza genomic data.

Dairy cow- and avian-origin clade 2.3.4.4b H5N1 induce severe mastitis in lactating goats and transmission to suckling goats.

A tale of two labs: Comparing antimicrobial resistance data in pets across commercial and academic diagnostic laboratories.

Passeriformes, Poultry, Pastures, People, and Preparedness (5Ps): Tackling Avian Influenza A (H5Nx) Challenges at the Agriculture Interface

The H5Nx Genomic Landscape: Predictive Modelling of Host and Antigenic Transitions

The H5Nx Genomic Landscape: Predictive Modelling of Host and Antigenic Transitions

Expanding Ontario Interactive Animal Pathogen Dashboards

Is it possible to control avian influenza virus transmission?

Novel approaches to investigation and control of important viral diseases in swine populations

Epidemiological investigations documenting the emergence and control of porcine epidemic diarrhea virus in Ontario swine herds

Effect of targeted selective treatement with closantel at lambing in haemonchus burdens on Ontario sheep farms with anthelmintic resistance

Design and evaluation of disease control and elimination strategies from swine populations

Which variants of influenza viruses commonly circulate in Ontario swine?

Frequent collaborators

Shayan Sharif

Patrick Boerlin

Yohannes Berhane

Marcelo Gottschalk

Scott Weese

Samira Mubareka

Darwyn Kobasa

Amy Greer

Marcelo Gottschalk

Nahuel Fittipaldi

Sarah Wootton