Pathogens and Outbreaks

The 2014 Dallas, Texas, Ebola Incident: Global Implications to All-Hazards Preparedness and Health Care Worker Protection

This guest commentary examines a series of well-documented nosocomial viral hemorrhagic fever outbreaks, including the October 2014 Dallas Ebola index case, to provide guidance for future preparedness and response in the health care setting. Hazard vulnerability assessments, occupational safety, relevant and appropriate personal protective equipment, and biosurveillance topics are discussed through the all-hazards preparedness lens.

Methyl Iodide Fumigation of Bacillus anthracis Spores

Fumigation techniques such as chlorine dioxide, vaporous hydrogen peroxide, and paraformaldehyde previously used to decontaminate items, rooms, and buildings following contamination with Bacillus anthracis spores are often incompatible with materials (e.g., porous surfaces, organics, and metals), causing damage or residue. Alternative fumigation with methyl bromide is subject to U.S. and international restrictions due to its ozone-depleting properties.

Restroom Infection Control: Chlorhexidine, the Final Frontier

Pioneering, award-winning work at the Queen Elizabeth Hospital, UK has demonstrated the remarkable residual antimicrobial activity of chlorhexidine on surfaces, thereby maintaining their continuous cleanliness over time.

In this school-setting trial, we demonstrate significant improvements in continuous cleanliness of restroom door handles. We discuss the possible benefits of applying this simple, inexpensive technique beyond clinical and office environments.

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