Celgene Corp. is acquiring Pharmion Corp. for $2.9 billion in a cash and stock deal that will expand the Summit, N.J.-based biotech's presence in the global hematology and oncology markets. (BioWorld Today)

In an effort to boost its vaccine and biological development pipeline, Pfizer Inc. is acquiring Coley Pharmaceutical Group Inc. in a deal worth about $164 million. (BioWorld Today)