Immigration, Refugees and Citizenship Canada (IRCC) has implemented a temporary public policy that exempts certain low-risk, in-Canada, foreign nationals from submitting an immigration medical examination (IME) as part of their application when their previous IME has expired. This supports faster processing of applications to help eligible foreign nationals quickly obtain temporary or permanent resident status.
Read more at https://www.canada.ca/en/immigration-refugees-citizenship/news/notices/2022-foreign-exempt-ime.html#shr-pg0