Corona Virus Symptoms

The World Health Organization said Wednesday that the harmful health effects of air pollution kick in at lower levels than it previously thought and it is setting a higher bar for policymakers and the public in its first update to its air quality guidelines in 15 years.

About 172 staff at hospitals in Windsor, Ont., have been suspended without pay for not getting their COVID-19 shots by the deadlines set out by their employers. 

​Ontario​ Premier Doug Ford​, Health Minister Christine Elliott and Solicitor General Sylvia Jones will provide an update​ on COVID-19 vaccination certificates beginning at ​11:30 a.m. ​You can watch it live in this story.

The UCP government has formally requested help from the federal government to lessen pressure on Alberta's health-care system, which is overburdened with COVID-19 patients.

Ontario and New Brunswick are rolling out vaccine passport systems on Wednesday that require people who are eligible for a COVID-19 vaccine to show proof of vaccination before entering non-essential indoor spaces. 

Critically ill COVID-19 patients in B.C.'s north are being flown as far away as Vancouver Island to receive care because local hospitals no longer have enough capacity, provincial officials said Tuesday.

As Alberta struggles with a devastating fourth wave of the COVID-19 pandemic and Premier Jason Kenney faces turmoil within his own caucus, sources have confirmed to CBC News that embattled Health Minister Tyler Shandro will be shuffled out of his portfolio.