Ron BarrettProfessor of Anthropology, Macalester CollegeRon Barrett is a a biocultural and medical anthropologist. His research examines the social dimensions of infectious diseases, ritual healing practices and caregiving at the end of life. Prior to becoming an academic, he was a registered nurse. Bird flu could soon evolve to spread between humans. Here's how to slow its progress. At the viral chatter stage of an outbreak, pathogens are just starting to infect people in sporadic bursts. It's a sign that a pandemic may be on the horizon.
