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Dr. Joss Reimer has been appointed as Canada’s new Chief Public Health Officer, taking on a crucial role amid rising health misinformation and public distrust. Announced on Friday, Reimer’s three-year tenure will focus on addressing these pressing challenges, particularly in light of the COVID-19 pandemic’s fallout. In a recent interview, the Manitoba native emphasised the need for a proactive governmental approach to counteract the rapid spread of false health information.
Rebuilding Trust Post-Pandemic
Reimer highlighted that one of her primary objectives will be to rebuild trust in public health institutions, which has been significantly eroded during the pandemic. “The difficulty people faced—loss of jobs, separation from loved ones—has created a landscape of distrust,” she noted. Given the challenges posed by misinformation, she acknowledged that restoring faith in health authorities will be a long-term endeavour requiring years of commitment.
This task is particularly pressing as Canada faces a resurgence of vaccine-preventable diseases, such as measles, and grapples with the ongoing threats from avian influenza, HIV, and tuberculosis. Reimer stated, “We need to address these issues with urgency and clarity to ensure the health of all Canadians.”
Experience and Leadership
Having served as the Chief Medical Officer for the Winnipeg health authority and leading Manitoba’s COVID-19 vaccine implementation task force, Reimer brings valuable experience to her new role. Her predecessor, Dr. Theresa Tam, became well-known throughout the pandemic for her daily updates, and Reimer is now set to carry this legacy forward.

In her response to the current measles outbreak, which has led to Canada losing its measles elimination status—held since 1998—Reimer expressed her concern about vaccine hesitancy in her home community. “It’s essential to create partnerships that include local leaders and extend to federal levels to tackle this issue effectively,” she stated.
Addressing Misinformation Beyond Social Media
Reimer also pointed out that health misinformation is not confined to social media platforms. It has infiltrated numerous aspects of public discourse, complicating efforts to provide accurate health information. Health Minister Marjorie Michel noted the changing landscape of health information in Canada, particularly citing the erosion of trust in American health institutions due to political changes that have compromised scientific integrity.
Reimer underscored the necessity for Canada to establish its own credible information sources, stating, “While there are still dedicated professionals in the American system, Canada must ensure that we are disseminating trustworthy information independently.”
A Commitment to Public Health
Equipped with a master’s degree in public health and a strong background in addressing sexually transmitted diseases and drug-related harms, Reimer is poised to lead the Public Health Agency of Canada at a vital juncture. Nancy Hamzawi, the agency’s president, expressed confidence in Reimer’s vision and leadership as they strive to enhance public health across the nation.

Dr. Margot Burnell, the current president of the Canadian Medical Association, praised Reimer for her calm and measured leadership during the pandemic. “She has been a stalwart advocate in the fight against misinformation and improving access to care,” Burnell remarked.
Reimer’s term officially begins on April 1, marking a new chapter in Canada’s public health leadership.
Why it Matters
Dr. Joss Reimer’s appointment comes at a time when public health is under scrutiny and misinformation threatens to undermine community well-being. Her commitment to rebuilding trust, combating health misinformation, and addressing the resurgence of preventable diseases is critical for safeguarding the health of Canadians. As the nation navigates these complex challenges, her leadership could play a pivotal role in fostering a healthier, more informed society.