Since the outbreak of the COVID-19, the IRCC announce a series of safety measures on international travel and immigration applications.
for the official updates, please refer to the official link as follow:
https://www.canada.ca/en/immigration-refugees-citizenship/services/coronavirus-covid19.html
For questions regarding a specific situation, you may also contact Navigo Canada via following email for professional advices:
COVID-19 helpline email: This email address is being protected from spambots. You need JavaScript enabled to view it.