Members of the military are being deployed to Manitoba where surging COVID-19 cases have overwhelmed the healthcare system, while the prime minister has put his support behind international efforts to understand how the global pandemic began. “I know there are a lot of theories out there but we need to make sure we are getting to a full and complete airing of the facts to actually understand what happened,” Justin Trudeau said Thursday. United States President Joe Biden ordered intelligence officials there Wednesday to redouble efforts to investigate the origins of COVID-19, including any possibility the trail might lead to a Chinese laboratory. Trudeau said these efforts will not only ensure accountability but could also provide insight into how to protect the world from future pandemics. Meanwhile, military members are arriving in Manitoba for a four-week mission in Manitoba, where public health orders have been extended to tackle high case …