Children may pass the virus for longer than 7 days. Symptoms start 1 to 4 days after the virus enters the body. Information about how long a person is contagious is available at How Flu Spreads.
In and around Wilmington, North Carolina. Map - 'Sleepy Hollow' filming locations in and around Wilmington, N.C. But mostly inside a sound stage: I Was An Extra On The Sleepy Hollow Set, And Here's What I Learned.
The scenes in Josh's neighborhood were filmed in Cliffside Park, New Jersey. The amusement park scene in the beginning of the movie where the wish was made was filmed at Ross Dock Picnic Area on the Hudson in Fort Lee. It is not an amusement park but was set up as one. The George Washington Bridge can be seen clearly in some of the shots.