@Travelingchicky @gregbradyTO Indeed, only 41% of Ontarians infected by H1N1 after the first season of its existence. It remains in circulation along with other flu strains, covid, etc. https://t.co/9R26olAvj8

Infection % sources: https://t.co/7mIs0sfnV5 https://t.co/bU71zzGWM3 The % I quoted is probably true for all of Canada. But AFAICT, no-one bothered to do the research to confirm that outside of ON and BC. Eg Saskatoon peaked prior to high % vaccination:

For comparison, seroprevalence of H1N1 antibodies after the second wave of the 2009 pandemic flu was in the range between 20-40% https://t.co/Fn6ROxQafc https://t.co/Wviueu63Rv https://t.co/zqKGOihWcg

Sobering suggestion from an excellent and knowledgeable source. Wash your hands and maintain social distances to minimize the potential impact of #COVID19

Seroprevalence of #Pandemic #Influenza H1N1 in Ontario from January 2009–May 2010: http://t.co/pGWfI8sH

カナダ　オンタリオ州のスタディ、H1N12009の感染は人口の２０～３０％らしいと推定。http://t.co/ZWMvypwj