ANN ARBOR, Mich.--(BUSINESS WIRE)--BioVigil, the market leader in automated hand hygiene and infection prevention technology, announced today that it has recorded more than 1 billion hand hygiene opportunities (HHOs) since the company’s founding in 2012. This milestone reflects the ongoing commitment of healthcare workers at BioVigil partner hospitals across the United States to improving hand hygiene compliance and patient safety. Hand hygiene is the most effective way to prevent infections in