Nevada Gov. Steve Sisolak said Tuesday he has returned to his office following completion of the self-isolation he began after being diagnosed with COVID-19 in mid-November. Sisolak said on Twitter and he and his team were continuing to work on behalf of Nevadans affected by the pandemic and he thanked those who sent him well wishes Sisolak, a Democrat, isolated at the Governor’s Mansion in Carson City. He announced Nov. 13 that he had tested positive for COVID-19 and he said three days later that he was only experiencing mild head congestion. The governor was diagnosed as the state saw a spike in coronavirus cases that’s now straining its hospital system.