AVIRON 5 3/4 % CONVERTIBLE SUBORDINATED NOTES DUE 2005Purchase Agreement • April 6th, 1998 • Aviron • Biological products, (no disgnostic substances) • New York
EXHIBIT 4.11 THIS REGISTRATION RIGHTS AGREEMENT is made and entered into as of March 15, 1998 by and among Aviron, a Delaware corporation ("the Company"), and Morgan Stanley & Co. Incorporated, Bear, Stearns & Co. Inc., Credit Suisse First Boston...Registration Rights Agreement • April 6th, 1998 • Aviron • Biological products, (no disgnostic substances) • New York
