West Nile Virus - Massachusetts Cumulative Human Cases Graph text (ending week dates)
Bar chart with 3 items
U.S. Department of the Interior | U.S. Geological Survey http:// diseasemaps.usgs.gov /2001/massachusetts/ma_hum_gph_mar_04.html For web page questions, contact: West Nile Web Team Last modification: Monday, 11-Mar-2002 08:41:01 EST jf USGS Privacy Statement