Mention in CTV News article - (Nova Scotia part)The noob here reporting first..
Antibody testing: Halifax-based research company
MedMira has developed a COVID-19 antibody test and is ready to begin surveillance programs. The test is currently under review by the FDA and EUA but has not been approved by Health Canada.
https://www.ctvnews.ca/health/coronavirus/can-i-get-tested-for-covid-19-what-the-rules-are-in-each-province-and-territory-1.4953618