Hijack a yacht from Newport, and sail out into the middle of the ocean where I'd be safe from infection (unless, godforbid, it spreads into the gulls, and we go into a The Birds-esque attack.
And if that doesn't work, assemble the available weaponry, and drive in a northwestern direction to Canada.
And if that doesn't work, find the most naturally fortified building in town, and ride out the siege. Sadly, the pubs are pretty weak in town.