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.

Andrea Piunno finds out how taking too much of some vitamins and supplements — like C, iron, fish oils and potassium — can do you harm.