Staff, Investors Left in Dark at Sanofi-Aventis (France), Genzyme Corporation; Paris Staff at Both Companies Fear Job Losses

Reuters -- Two weeks after it emerged that French drugmaker Sanofi-Aventis (SASY.PA) had its eye on U.S. biotech Genzyme (GENZ.O), staff and investors are still left guessing as the companies remain tight-lipped.