A recent review of norovirus outbreaks in nursing homes found a correlation between outbreaks and higher rates of both hospitalizations and mortality among residents. While the correlation does not necessarily mean that the norovirus directly causes a greater number of hospitalizations or deaths, the data obtained by the study could prove useful in identifying risks faced by nursing home residents during outbreaks of communicable disease. This can in turn help nursing home administrators enact policies to protect and preserve their residents’ health and safety.
The norovirus is a highly contagious virus commonly associated with the stomach flu. It can affect anyone, regardless of age or general health condition, with symptoms ranging from stomach pain and nausea to acute gastroenteritis. People can contract an infection from other infected people, contact with contaminated surfaces, or ingestion of contaminated food or water. According to the Centers for Disease Control and Prevention (CDC), the norovirus sickens around 21 million people in the U.S. annually, and it is responsible for as many as seventy thousand hospitalizations and eight hundred fatalities per year.
The study, “Hospitalizations and Mortality Associated With Norovirus Outbreaks in Nursing Homes, 2009-2010,” was published in the October 24/31, 2012 online edition of the Journal of the American Medical Association. The researchers reviewed records from Medicare and the CDC for a period from January 2009 through December 2010 from three states: Oregon, Pennsylvania, and Wisconsin. Their review covered 308 nursing homes, with a combined total of 407 reported outbreaks of norovirus. The norovirus outbreaks lasted a median of thirteen days. Twenty-nine percent of the total number of reported hospitalizations and seven percent of the reported deaths occurred during reported outbreaks.
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