Swiss drug maker Roche is in talks with companies to set up a global manufacturing network to increase capacity to produce the anti-bird-flu drug Tamiflu as soon as possible, the Shanghai Daily reported, citing a company executive. Roche, which owns the manufacturing rights for Tamiflu, has received more than 100 requests from companies seeking licenses to make the drug, Jan Van Koeveringe, head of Roche global technical operations told the paper.