COVER The epicenter of the HIV/AIDS epidemic in the United States has shifted from the East and West Coasts to the Deep South, where young black men who have sex with men are now becoming infected at a high rate. One of these men is Joshua Alexander, 25, shown here sitting in front of his mother’s house in Greenville, Mississippi. See the special section beginning on page 167. For the story beh...

Seismic underground fluids play an important role in earthquake prediction studies and tracking. Nearly 30 years of radon concentration monitoring data at 42 observation sites the North–South seismic belt (22°-35° N, 100°-110° E) were collected from National Earthquake Data Center China Networks Center. The possible precursor anomalies observed before several strong earthquakes investigated the...

The Hajj has become the epicenter of mass migration of millions of Muslims of enormous ethnic diversity. No other mass gathering can compare, either in scale or in regularity. Communicable disease outbreaks of various infectious diseases have been reported repeatedly, during and following the Hajj. The Hajj 2010 starts in the first week of November 2010 and this report is a timely reminder that...

Introduction On July 11, 2012, New Jersey Department of Health (DOH) Communicable Disease Service (CDS) surveillance staff received email notification of a statewide anomaly in EpiCenter for Paralysis. Two additional anomalies followed within three hours. Since Paralysis Anomalies are uncommon, staff initiated an investigation to determine if there was an outbreak or other event of concern taki...

A~tract--The tasks for automated epicenter determination in the Bochum University Germany (BUG) small array are subdivided for different signal-processing modules that utilize knowledge-based approaches. The modules are designed for complementary advantages to yield best system performance in an interdependent architecture. This "bottom-up" solution proceeds from reliable waveform parameters to...

Giorgio Zanetti and Richard Platt Service of Infectious Diseases and Division of Hospital Hygiene, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland; and Department of Ambulatory Care and Prevention, Harvard Medical School, Harvard Pilgrim Health Care, Channing Laboratory, Department of Medicine, Brigham and Women’s Hospital, Eastern Massachusetts Centers for Disease Control and P...