Montreal public health has teamed up with community organizations to tackle cases of tuberculosis in the homeless community with a mobile medical unit.

Vancouver Coastal Health said staff and students were notified about the case on Thursday.

On Thursday, public health officials confirmed they were investigating a case of active tuberculosis at Bernice MacNaughton High School in "a member of the school community."

Tuberculosis is an "infectious disease caused by bacteria" that can be spread through the air when someone coughs, sneezes or talks.

The Global Fund wants to see a 15-per-cent increase in total pledges this year, to US$14 billion.

The bacteria can be spread from person to person through coughing, sneezing and talking when close. It can also stay in the air for hours. 

Alberta Health Services is notifying people who may have been exposed to tuberculosis at a Calgary high school.

On this week’s 'Super Awesome Science Show,' we’re going to dive into the world of disease detectives known officially as diagnosis.

The health authority says those potentially exposed at two hostels in the city have been notified.

The weather has diverted Trudeau's plane to Happy Valley-Goose Bay, N.L., where he'll pause before making another attempt to get to Iqaluit later today.