last week. there are also new outbreaks in professional sports, from hockey to basketball and football. today the cleveland browns announced six players, including quarterback baker mayfield are now on the reserve covid-19 list. this is after the teams had a coach test positive, and news from earlier this week that more than 60 nfl players are infected, according to a league source, and that was just on monday and tuesday alone. let's get right to our senior medical correspondent elizabeth cohen. elizabeth, this is starting to feel a lot like the early days of the pandemic, sadly. what more can you tell us about colleges and universities and nfl and other outbreaks? >> it really does feel like deja vu. let's look at universities who have moved classes or exams on online. middlebury college, princeton, depaul, southern new hampshire,