Cosmopolitan resort in Las Vegas to close because of virus Associated Press · March 17, 2020 at 2:56 pm LAS VEGAS (AP) — The Cosmopolitan is joining other casino-resorts on the Las Vegas Strip in temporarily shutting its doors because of the new coronavirus. The resort announced Monday night it will close starting Wednesday at 6 p.m. after working to check out all of its hotel guests. The Cosmopolitan said in a statement that it will remain closed through March 31 and its full-time employees will continue to get their pay and benefits during the closure. MGM Resorts International on Monday night began closing its 13 properties in Las Vegas and Wynn Resorts plans to close its Wynn Las Vegas and Encore resorts Tuesday evening. Nevada has reported at least 45 cases of the virus so far. For most people, the new coronavirus causes mild or moderate symptoms such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness including pneumonia.