A pharmacist prepares a prescription of Tamiflu at Doughery's Pharmacy in Dallas, Texas May 1, 2009. The United States has 141 confirmed cases of the influenza A (H1N1), formerly referred to as swine flu, in 19 states, the U.S. Centers for Disease Control and Prevention said on Friday, and U.S. antiviral prescriptions spiked ninefold early this week after last weekend's media coverage about a possible flu pandemic, according to pharmaceutical market research firm SDI. REUTERS/Jessica Rinaldi (UNITED STATES SOCIETY HEALTH BUSINESS)