OTTAWA—The military officer who led Canada’s COVID−19 vaccine distribution campaign has been charged with one count of sexual assault. Maj.−Gen. Dany Fortin presented himself to police in Gatineau, Que., on Wednesday morning after a warrant for his arrest was issued Monday. He later told reporters that he does not know the details of the allegation against him, despite repeated requests from his legal team. “For the past three months, my family and I have been living this nightmare of not knowing the nature of the allegation, not knowing the status of the investigation, not knowing whether or not I’d be charged,” Fortin said. “My legal team has repeatedly — repeatedly — contacted prosecutors to seek any information with no success. So I’ve been forced to read much about me in media, with no ability to defend my name.” Fortin’s lawyers have said the only information provided to them is that …