National Microbiology Lab rediscovers teamwork in pandemic The teamwork required during the pandemic may have been what the National Microbiology Lab needed to start healing rifts between staff and management and improve what has been described as a toxic workplace, the Winnipeg lab's acting scientific director general says. Social Sharing CBC News · Posted: Mar 05, 2021 5:00 AM CT | Last Updated: March 5 The National Microbiology Lab in Winnipeg is the only Level 4 lab in Canada, capable of dealing with the world's deadliest pathogens. Past reports have pointed to a 'toxic' workplace, but things are now improving, says the lab's acting scientific director general.(Trevor Lyons/CBC)