date:Aug 22, 2012
Vermont (1) and West Virginia (3).
Case totals in the 26 states affected by the outbreak are as follows:
Alabama (4), Arizona (1), Delaware (1), Georgia (5), Illinois (3), Indiana (3), Kansas (1), Kentucky (5), Louisiana (1), Maine (4), Maryland (3), Massachusetts (3), Michigan (2), Nebraska (1), New Jersey (1), New York (21), North Carolina (15), Ohio (39), Pennsylvania (13), Rhode Island (1), South Carolina (2), Tennessee (11), Texas (2), Vermont (2), Virginia (9), and West Virginia (10).