Posted by: Caileigh Robertson, Communications Zookeepers and animal health staff wheel Vip out of the zoo's animal hospital after the surgery is completed. Photo by Jeremy Dwyer-Lindgren/Woodland Park Zoo. Last week, we asked for your best wishes for western lowland gorilla Vip , who has been battling a severe sinus infection. After last week’s CT scan and a critical surgery this week to treat his chronic sinus infection, the 35-year-old silverback is successfully breathing through his nose for the first time in weeks! Vip is steadily improving, and for now he is spending time behind the scenes at the gorilla exhibit, getting some extra TLC from his keepers. A peek through the door of the operating room at Woodland Park Zoo's animal hospital. Photo by Jeremy Dwyer-Lindgren/Woodland Park Zoo. After the CT scan confirmed a complicated sinus infection, we realized the 425-pound patient would require sinus surgery to drain the blockage and physically remove the major