Just because someone visited Las Vegas and then tested positive for Coronavirus does not mean it was a Sin City COVID-19 case. However, if you or someone you love is considering a trip to the Nevada there is no harm in having as much information as possible.
The Southern Nevada Health District August report that shows the Cosmopolitan led all of Las Vegas is recent months with over 300 cases of diagnosed Coronavirus. The Bellagio followed in a distant second with over 150 cases, followed by the MGM Grand with more than 130.
The Venetian reported nearly 90, as did Caesars Palace. The Aria had more than 70, while Mandalay Bay and the Wynn Las Vegas had over 60 cases each. You can read more about the report and other Sin City COVID-19 cases at Yogo Net.