Can you have natural immunity to COVID-19 and if so, do you still need to be vaccinated? Dilshad Burman puts the viewer submitted question from our weekly COVID-19 Q&A to Toronto’s Associate Medical Officer of Health.

Vitamin D plays a vital role in keeping the immune system in fighting form. Dilshad Burman speaks with health expert Bryce Wylde about the role of the sunshine vitamin in defending against viruses and infections.

They are called COVID-19 longhaulers because they are still battling the virus months after they recover. Cynthia Mulligan looks at how these survivors are supporting each other and the study investigating why some aren’t getting better.

Researchers are working around the clock to answer crucial questions about COVID-19, like how the virus spread across Canada and whether those who have had it are now immune. Tina Yazdani with the latest findings.