Vancouver police officers have tested positive for the novel coronavirus after responding to a large party, according to the union head.Three members of the department are sick after being called to an “out of control” party with more than 100 people in attendance, said Ralph Kaisers, president of the Vancouver Police Union, on social media on Friday.Kaiser told Global News the party took place in an apartment in downtown Vancouver in late July.Between 16 to 20 officers are in self-isolation as a result, Kaiser said.The Vancouver Police Department confirmed that three of its officers have tested positive and that others who were exposed are self-isolating at home, but gave no further details.