Five hours, two trips to register and complete PCR Covid-19 test, with other local facilities booked up long past the scheduled date for our return to Toronto. We attempted to register online via smartphone browser at USA-wide covidclinic.org website that would time out, not load credit card fields and/or validate dates as correct. Back at the apartment on a laptop, replicated issues with Chrome browser, then finally succeeded using Mozilla Firefox. (City of Oakland offices, Frank H. Ogawa Plaza, Oakland, California) 20211229