UPDATE 1-Pfizer revenue beats estimates, helped by pneumonia vaccine sales
February 02, 2016 at 07:15 AM EST
Feb 2 (Reuters) - U.S. drugmaker Pfizer Inc, which is in the process of buying Botox-maker Allergan Plc for $160 billion, reported better-than-expected quarterly revenue, helped by demand for its pneumonia vaccine and its Hospira acquisition.
