Alere agrees to buy eScreen
Alere Inc., a Waltham-based company that provides health management services, said today that it has agreed to buy eScreen Inc., a technology firm that specializes in toxicology screening and employee health products and services. The purchase price is $270 million and potential additional payments of up to $70 million, Alere said. Kansas-based eScreen had 2011 revenues of about $120 million. Among the services it offers are urine drug screens.