Days after filing suit against Olean General Hospital and three pharmaceutical manufacturers, attorneys representing patients potentially exposed to HIV and hepatitis through reused insulin pens say a second lawsuit is underway targeting the VA Western New York Healthcare System. Brown Chiari LLP on Monday filed suit in State Supreme Court for Cattaraugus County, naming Olean General, the Upper Allegheny Health System as well Novo Nordisk Inc., Novo Nordisk Pharmaceutical Industries Inc., Sanofi-Aventis U.S. LLC and as Eli Lilly and Co.