... (and the case was not a traveler from New England), then that makes it even more important. Personal anecdote: my wife and I got through 2 weeks in South American rainforests (during the Zika virus wave) with not a single mosquito bite, but sprayed DEET at least once daily.

Source Control: Go around your property and look for any collections of stagnant water. Flower pots and jugs are big culprits; start storing these upside down, and make sure there are holes underneath planters to drain excess water.