coronavirus transmission in Ottawa shows the risks of lowering one’s guard in the workplace and when interacting with other households.Ottawa Public Health tweeted a real-world contact tracing example Friday morning, as the heath unit has done previously, to show how COVID-19 spread through organized sports, weddings and outdoor social events, this time depicting virus transmission from one confirmed case in a few seemingly innocuous settings.We're naturally more relaxed around people we're close to, but this cluster is a reminder that COVID doesn't care how well we know someone.