We've heard about the threat that United States tariffs pose to Canadian economic security. But a different kind of insecurity now looms with new leadership from our southern neighbors: insecurity in global health.

Every day, an estimated 400,000 people cross the Canada-U.S. border, the largest land border in the world. And there are about 800,000 Canadian citizens living in the United States. All this means the infectious disease threat could be even more pressing for Canadians.

Those working at the World Health Organization had been expecting the worst — but U.S. President Donald Trump's executive order still stung. Dr. Prabhat Jha, a professor of Global Health with the University of Toronto,

TORONTO — A Canadian global health specialist says staff at the World Health Organization are “devastated” by President Donald Trump’s executive order to pull the U.S. out of the agency. Dr. Madhukar Pai, the Canada Research Chair in Epidemiology and Global Health, is at the WHO headquarters in Geneva this week for meetings about tuberculosis.

World Health Organization chief says agency already cutting back on hiring and travel with Trump withdrawal set to hit funding.

Trump’s decision is shortsighted and put the rest of the world is put at greater risk, say public health scholars

President Donald Trump has used one of the flurry of executive actions that he issued on his first day back in the White House to begin the process of withdrawing the U.S. from the World Health Organi

Germany said Tuesday it will try to dissuade U.S. President Donald Trump from pulling out from the World Health Organization as many global health experts fear the move could substantially weaken global health security.

Neither the FDA or Health Canada has established a link between the dye and cancer in humans, but the Food and Drug Administration explained its decision as ‘a matter of law’

"The bottom line is that withdrawing from the WHO makes Americans and the world less safe," says Dr. Tom Frieden, president and CEO of the nonprofit health organization Resolve to Save Lives and former director of the U.S. Centers for Disease Control and Prevention (CDC).

Press Secretary Karoline Leavitt said the medical aid website would be back online "shortly", after a sweeping memo ordered federal agencies to freeze funding.

President Donald Trump's decision to exit the World Health Organization means the U.N. agency is losing its biggest funder. For the two-year budget ending in 2025, the U.S. is projected to be WHO’s largest single contributor by far. It is expected to donate $958 million, or nearly 15%, of the agency’s roughly $6.5 billion budget.