In this April 12, 2005 file photo, the world headquarters of Pfizer Inc. is seen in New York. Pfizer, the world's biggest drug company, on Tuesday, Jan. 13, 2009 said it is laying off up to 800 research scientists and expects to reduce its research staff by 5 percent to 8 percent this year. (AP Photo/Mark Lennihan, file)
Read the article: Report: Pfizer cutting up to 2,400 sales jobs
