"Figure 1 - Weekly influenza activity, oseltamivir prescription rates for enrollees of all ages, and LexisNexis references to avian influenza and oseltamivir, United States, 2003–2006. *World Health Organization and National Respiratory and Enteric Virus Surveillance System collaborating laboratories in the United States. †LexisNexis US News database query for weekly news reports referring to ""(avian or bird or H5N1) and (flu or influenza) and (Tamiflu or oseltamivir)."""