Something I have been wondering about: I know they say it takes 10 to 15 minutes at closer than 6 feet to an infected person to get infected yourself, but does the 10 to 15 minutes have to be all at once? Does it have to be all from one person? We can assume that there will be infected (hopefully asymptomatic) people at the parks, and while I am sure it will be relatively easy to avoid being within 6 feet of anyone most of the time given the safety measures in place, there will probably be times you have no choice but to be closer to someone for a minute or two at a time. Each encounter on its own would not be enough to get infected, but what if you are close to five different infected people, each for 2 or 3 minutes, over the course of the day? Has anyone heard anything about cumulative exposure?