401 North Middleton Rd., Pearl River NY 10965; HQ in Madison, NJ; now merged into Pfizer; formerly American Home Products Corp. (AHP); Genetics Institute was merged into Wyeth in 1997; Est. license no. 3 was granted on Feb. 6, 1914 to Dr. H.M. Alexander for manufacture of typhoid vaccine; Wyeth entered the vaccines market in 1944 with acquisition of Gilliland Labs. and Reichel Labs.; AHP acquired Lederle Labs. and later merged it with its Wyeth-Ayerst subsidiary; AHP remaned itself Wyeth in March 2002; Marietta, PA, vaccines establishment closed in 2003 and divested to GlaxoSmithKline in 2005
