Merck, the New Jersey-based drug giant, is spending $1 billion on a new Delaware factory to bring production of its best-selling cancer drug Keytruda to the U.S. and speed future drugs to market.

The firm said that its overall revenues rose 2 percent year over year and 4 percent on an organic basis with a smaller increase in its life sciences revenues.

University of Miami Miller School of Medicine researchers have identified molecular evidence linking human papillomavirus ...