Newfoundland and Labrador has tested more than 9,500 people, but a negative or positive result doesn't always provide a definitive answer. (Graham Hughes/The Canadian Press) Testing has become one of ...

This is an excerpt from Second Opinion, a weekly roundup of eclectic and under-the-radar health and medical science news emailed to subscribers every Saturday morning. If you haven't subscribed yet, ...

Robin Ferré assumed his birthday trip to Los Angeles would go off without a hitch. He was triple vaccinated, had recovered from an assumed COVID-19 infection three weeks prior, and was armed with a ...