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West Nile Virus
Mosquito
2007
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West Nile Virus:  Massachusetts - Mosquito
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Essex County (15) Berkshire County Franklin County Middlesex County (5) Worcester County (1) Essex County (15) Hampshire County Suffolk County (10) Norfolk County (12) Hampden County Norfolk County (12) Suffolk County (10) Plymouth County (13) Plymouth County (13) Norfolk County (12) Bristol County (9) Barnstable County Barnstable County Barnstable County Barnstable County Barnstable County Bristol County (9) Dukes County Dukes County Dukes County Dukes County Dukes County Dukes County Nantucket County Nantucket County Nantucket County Dukes County Navigate to Connecticut page Navigate to Connecticut page Navigate to Maine page Navigate to Maine page Navigate to New Hampshire page Navigate to New York page Navigate to New York page Navigate to New York page Navigate to New York page Navigate to New York page Navigate to New York page Navigate to New York page Navigate to New York page Navigate to New York page Navigate to New York page Navigate to New York page Navigate to Rhode Island page Navigate to Rhode Island page Navigate to Rhode Island page Navigate to Rhode Island page Navigate to Rhode Island page Navigate to Rhode Island page Navigate to Rhode Island page Navigate to Vermont page
Map Scalebar 75 km
Cumulative 2007 Data as of 3 am, May 20, 2008*
These data are provisional and may be revised or adjusted in the future.
[Epi curve - Vertical bar graph showing number of incidents for each of 52 weeks]
Cumulative Mosquito Infections by County - Massachusetts, 2007
Bristol County9
Essex County15
Middlesex County5
Norfolk County12
Plymouth County13
Suffolk County10
Worcester County1
Cumulative Total Entire State: 65
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Map Legend
* States and counties in yellow either did not perform surveillance or did not report any positive test results from their surveillance.

Map Inset
Norfolk