israel "In simple words: That protection against infection is waning over time." The most cautionary tale for Canada could be observations that the rate of infection has been found to be higher in people vaccinated back in January, compared with people who were vaccinated in April, said Leshem.

ontario Ontario's COVID-19 vaccine passport plan unveiled, won't apply to retail Plan goes into effect Sept. 22, digital verification app to follow on Oct. 22 Ontario residents will soon have to show proof they've been fully vaccinated against COVID-19 to dine indoors at restaurants and go to gyms and theatres — but not necessarily to enter retail locations — the province announced Wednesday. The "enhanced COVID-19 vaccine certificate" system, as the Ontario government is calling it, will come into effect on Sept. 22.