As Hoosiers roll up their sleeves to take the seasonal flu shots, researchers state that the H1N1 vaccination may take longer to arrive for large scale inoculation than anticipated. "It's a race against time," said IU School of Informatics professor Dr. Alessandro Vespignani who was on his way to an H1N1 conference Tuesday. He says by the time the vaccine is widely available, "it's likely to have the peak of the disease earlier than an appreciable percentage of the population will be vaccinated." He believes the H1N1 virus should hit its peak by about Halloween. By then, half of those who are going to get ill will have gotten sick, and only then will large supplies be available. "There is no need to panic. The disease is mild, it is under the constant attention of authorities," Dr. Vespignani said. More...