Of the 217 people tested aboard the Greg Mortimer cruise ship, 128 came back positive for COVID-19, while 89 tested negative, the Aurora Expeditions cruise line confirmed. The Australia-based company said all passengers and crew that have tested positive did not have fevers, and were asymptomatic as of Tuesday. The Greg Mortimer, which is currently off the coast of Uruguay, departed on March 15 for a voyage to Antarctica and the island of South Georgia, but has been anchored off the coast near Montevideo since late March, after authorities in Uruguay blocked the ship from disembarking over coronavirus concerns, the...