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Presentations

Made by Volunteer Members of the Coalition

CATC MEETING PRESENTATIONS

JULY 27, 2026

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The COVID-IS-Not-Over Newsletter

 

July 23, 2026
 

Dr. John L. Dupuis
Scholarly Publishing Librarian and Engineering and Computer Science Liaison, York University

November 27, 2025

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A New Mutated Influenza
A H3N2 Virus: 

Why you should care?

 

November 27, 2025
 

Dr. Lyne Filiatrault, MD
(Retired)

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Excess Mortality Data

 

November 27, 2025
 

Tara Moriarty
COVID-19 Resources Canada, 

Associate Professor, University of Toronto

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Update from CHAIR 

(Community & Healthcare Acquired Infection Reduction)

 

November 27, 2025

 

Barry Hunt, BSc,

CHAIR Co-Founder, Executive Director

PRESENTATIONS BY MEMBERS OF THE CATC

MASKS & RESPIRATORS

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TAKING PANDEMIC

LESSONS TO HEART –

with an occupational health lens 

Presented at 
Canadian Association for Research on Work and Health Conference

 

June 4, 2025

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STATISTICS ARE PEOPLE WITH THE TEARS WIPED AWAY

Why have so many workers

got sick or died in this

pandemic?

Presented at
Workers' Health and Return to Work in a Changing World of Work

 

Dorothy Wigmore

Occupational Health Specialist

 

Ottawa, June 11, 2024

Speaking through Megaphone

WHY ARE MULTIPLE VOICES ESSENTIAL FOR PROTECTION IN A COMPLEX PANDEMIC

Kathleen Gadd
MLIS, health sciences librarian 

Lyne Filiatrault
Retired MD, FRCPC, PoPBC 

Simon Smith
PhD, respirator specialist

Stéphane Bilodeau
PhD, ventilation engineer

Dorothy Wigmore
MS, occupational hygienist

...on behalf of the Canadian Aerosol Transmission Coalition

​

CPHA/Public Health 2024

April 25, 2024

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LONG COVID:
GOING UPSTREAM

Coalition and PoPBC member Dr. Lyne Filiatrault and colleague Dr. Anne Bhéreur discuss how to prevent COVID-19 infection/reinfection to avoid long-term effects.

 

November  2023

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RAISING OUR VOICES ABOUT COVID IN CANADA

Marking the Fourth Anniversary of the World Health Organization (WHO) Declaring the COVID-19 a Pandemic

 

March 11, 2022

​

Presenters:

Dr. Tara Moriarity
Dr. Gosia Gasperowicz
Alec Farquhar

Dr. Simon Smith

Dr. Joe Vipond​

 

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REALITY CHECK, MODELLING & SURVEILLANCE TO GUIDE FUTURE RESPONSES

Occupational Health Clinics for Ontario Workers (OHCOW)

​​

March 4, 2022

​

Dr. Gosia Gasperowicz

Dr. Alex MacKenzie

Dr. Krystal Pollitt​​

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VENTILATION and RISK ASSESSMENT for COVID-19 PREVENTION

March 9, 2022

 

Workplace Health Without Borders (WHWB), including John Oudyk, OHCOW Hygienist​​

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THE T-CELLS ARE NOT ALRIGHT

An Interview with
Dr. Anthony Leonardi,
T-cell Researcher

 

January 8, 2022

 

Presented by:

Dr. Kashif Pirzada 

Masks4Canada co-founder
 

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Recent Advances in Aerosol Science with Special Reference to SARS-CoV-2 Occupational Exposures

April 21, 2022
 

Laurence Svirchev, MA, BSc, CIH

Kevin Hedges, Ph.D., CIH, COH

View Presentation

Presented at the 10th Scientific Conference and NIOEH 40th Anniversary Celebration

MASK SMART 3
Protecting workers from Airborne hazards

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Overview of Selection, Use and Care of Respirators

 

June 22, 2022
 

Simon Smith
Retired / CSA Comm. Member

View Presentation
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Respirator Fit Test and Fit Check: 101

June 22, 2022
 

Lydia Renton, CIH, ROH, FAIHA
Blue Metric Environmental

View Presentation
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Lessons Learned
 

June 22, 2022
 

Dan Curts
3M Canada

View Presentation

MASK SMART 2
RESPIRATORY PROTEction in thE workplace

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WHY: Masks Still Matter for COVID (and Beyond)

June 15, 2022
 

Kashif Pirzada, MD

View Presentation
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WHAT? – Is a Respiratory Protection Program

 

June 15, 2022
 

Paul Bozek,
BASc, Ming, MBA, Peng, CIR, ROH

View Presentation
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Respiratory Protection Programs
Top 10 Lessons Learned

June 15, 2022
 

Neil McDermott,
M.Sc., CRSP, CIH

View Presentation

MASK SMART 1
Protect yourself and others today
(and tomorrow)

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Clear the Air
(of all kinds of hazards)

March 1, 2022

John Oudyk

View Presentation
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Mask Smart – Protect Yourself and Others Today (and Tomorrow)

March 1, 2022

Dr. Kevin Hedges

View Presentation
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"Mask Smart"
What You Need to Know to Protect Yourself and Others
 

March 1, 2022

 

Simon Smith

View Presentation
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COVID-19:What really works when it comes to masks, N95s and respirators

February 1, 2022

Dorothy Wigmore
Dr. Simon Smith

View Presentation
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Canadian Coalition on Airborne Transmission

December 14, 2021

Marianne Levitsky
MFL Occupational Health Centre

View Presentation
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What You Need to Know About Masks, N95s, and Other Respirators

February 1, 2022

​

Dr. Simon J. Smith

View Presentation
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Update on Airborne Precautions for Schools and Workplaces

December 2021

Stephané Bilodeau, ENG., PhD, 

View Presentation
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Cleaning and Disinfecting in a Pandemic
 
December 14, 2021
 
Dorothy Wigmore

View Presentation
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Protecting Workers in the Pandemic – Preventing Airborne Transmission
in the Workplace

December 2021

Laurence Svirchev, CIH, BSc, MA

View Presentation

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