Yes, RT-PCR lab test like the Kai Care At-Home Saliva Kit is the preferred COVID-19 testing method for many travel requirements which require negative results within a very narrow timeframe. All travelers 5 years of age or older, regardless of citizenship, must provide proof of a negative COVID-19 test result for travel returning to Canada. You must take a test within 72 hours of the scheduled departure time of your flight to Canada. Airlines will refuse boarding to travelers who are unable to provide a valid molecular test result. Regulations are constantly changing, please visit https://travel.gc.ca/ for the most up to date information.