Trick-or-Treat party held in Canada

A young patient receives treats from costumed healthcare workers during a Trick-or-Treat party to celebrate the Halloween at British Columbia Children's Hospital in Vancouver, British Columbia, Canada, on Oct. 31, 2022. (Photo by Liang Sen/Xinhua)

A young patient receives treats from costumed healthcare workers during a Trick-or-Treat party to celebrate the Halloween at British Columbia Children's Hospital in Vancouver, British Columbia, Canada, on Oct. 31, 2022. (Photo by Liang Sen/Xinhua)

A young patient receives treats from costumed healthcare workers during a Trick-or-Treat party to celebrate the Halloween at British Columbia Children's Hospital in Vancouver, British Columbia, Canada, on Oct. 31, 2022. (Photo by Liang Sen/Xinhua)

A young patient receives treats from costumed healthcare workers during a Trick-or-Treat party to celebrate the Halloween at British Columbia Children's Hospital in Vancouver, British Columbia, Canada, on Oct. 31, 2022. (Photo by Liang Sen/Xinhua)