Preventive Measures (IMAGE) Cincinnati Children's Hospital Medical Center Caption A Nepalese member of an international flu vaccine research team surveys villagers in the subtropical terai plains of southern Nepal in Asia. The researchers report in The Lancet Infectious Diseases that vaccinating pregnant mothers year-round against flu in this resource-challenged region reduced infant flu virus infection rates by an average of 30 percent and increased birth weights by 15 percent. Credit Cincinnati Children's Usage Restrictions Credit the photo to Cincinnati Children's License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.