13F-HR LIVE false false false 0001009258 XXXXXXXX 12-31-2019 12-31-2019 false DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)

780 Third Avenue, 37th Floor New York NY 10017

13F HOLDINGS REPORT 028-05366 N Flynn Management LLC, its general partner and James E. Flynn 212-551-1600 /s/ James E. Flynn New York NY 02-14-2020 1 76 3134215 01 0001353362 028-11827 Flynn Management LLC