Ship was traveling at 70% capacity, with some 4,500 people aboard
Greater Victoria Harbour Authority CEO hopes cruises will resume by 2022
Canada, amid COVID-19 concerns, has barred cruise operations through February
New U.S. law would allow American ships to bypass Canadian ports between Washington and Alaska
COVID-19 cases in U.S., B.C. concerning for future of cruise
About 80,000 crew members remained on board ships off the U.S. coast after most passengers had disembarked