InVentiv Health unit, GSW Worldwide, has been named agency of record for Roche’s Tamiflu (oseltamivir phosphate), an antiviral treatment. Under the agreement, GSW will take the lead on all consumer advertising and promotion, including strategic planning, media planning and placement, and direct marketing, the agency said in a news release. Further terms of the contract were not disclosed. Tamiflu is co-developed by Roche and Gilead Sciences and is indicated for the treatment of uncomplicated influenza caused by virus types A and B.