There was an unexplained outbreak amongst 40 residents of a Calgary highrise a little while back. They had no explanation, as the residents of separate units ha

There was an unexplained outbreak amongst 40 residents of a Calgary highrise a little while back. They had no explanation, as the residents of separate units had no direct contact with one another. Maybe this explains it. https://www.cbc.ca/news/canada/calgary/ahs-outbreaks-1.5630201 https://www.cbc.ca/news/canada/calgary/ahs-outbreaks-1.56302...