Student immunization rates for the 2018-19 academic year in Peterborough Public Health's jurisdiction were higher than the average across the province.

"This is a serious issue and we've been trying to be reasonable and lenient. But those days are over," Ottawa Mayor Jim Watson said on Friday.

As of Monday, Ontario has so far confirmed 24 cases of COVID-19 in the national capital.

Public Health Ontario has released updated statistics that indicate 435 people died from opioid-related causes from January to March 2019 - up from 307 deaths during the same period in 2018.

Using scented deodorants, hairspray, cosmetics or even breathing in a space can lead to poor indoor air quality, the study found.

Infants typically don't receive the measles vaccine until they are 12 months old. That results in a "quite alarming" susceptibility gap.

Public Health Ontario has released updated statistics showing 1,473 people died from opioid-related causes in 2018, a jump of about 17 per cent from the previous year.

A staff report prepared for the Region of Waterloo estimates the area will be shorted $5.4 million in funding by proposed changes to public health units.

Public Health Ontario has released updated statistics that indicate 388 people died from opioid-related causes from July to September 2018, down from 414 deaths during the same period in 2017.

The move is intended to reduce health care bureaucracy and overlapping administration duties, which the government has projected will result in annual savings of $200 million by 2022.