It is possible that the Spanish flu originated in China and was brought to Canada by laborers: https://news.nationalgeographic.com/news/2014/01/140123-spanish-f

It is possible that the Spanish flu originated in China and was brought to Canada by laborers: https://news.nationalgeographic.com/news/2014/01/140123-spanish-flu-1918-china-origins-pandemic-science-health/ https://news.nationalgeographic.com/news/2014/01/140123-span...