Department of Emergency Medicine, Alameda County Medical Center-Highland Hospital, Oakland, CA. (Frazee)
Olive View-UCLA Medical Center, Sylmar, CA. (Talan)
Centers for Disease Control and Prevention, Atlanta, GA. (Pinner)
Centers for Disease Control and Prevention
Editor's note: This article is part of a regular series on emerging infection from the Centers for Disease Control and Prevention (CDC) and the EMERGEncy ID NET, an emergency department–based and CDC-collaborative surveillance network. Important infectious disease public health information with relevance to emergency physicians is reported. The goal of this series is to advance knowledge about communicable diseases in emergency medicine and foster cooperation between the front line of clinical medicine and public health agencies.