Adenovirus serotype 14
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| Adenovirus serotype 14 | ||||
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| Virus classification | ||||
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Adenovirus serotype 14 (Ad14) is a serovar of adenovirus which, unlike other adenovirus serovars, is known to cause potentially fatal adenovirus infections. According to the United States Centers for Disease Control and Prevention (CDC), as of September 2007, outbreaks have been identified in four states with ten identified deaths since May 2006.[1][1]
Characteristics
Ad14 is a rare emerging virus that can cause severe respiratory infection, which can sometimes be fatal, even in healthy young adults.[1] Ad14 isolates from all four states where outbreaks occurred were identical, based on DNA sequencing. However, the isolates were distinct from the 1955 Ad14 reference strain. This suggests that a new Ad14 variant is emerging and spreading in the United States.[1]
Reported illnesses
At least 140 illnesses have been caused by Ad14 in New York, Oregon, Washington, and Texas. Of these patients, 53 were hospitalized, 24 of whom were admitted to intensive care units. In all reported cases, the isolated Ad14 strain was found to be genetically identical.[1]
- New York
The first death was that of a 12-day-old girl, born full-term and healthy, in New York in May 2006. Ad14 was isolated from postmortem swabs. No connection has been made between this case and cases in other states.[1]
- Texas
In February 2007, an outbreak of acute respiratory infections with fever was reported among trainees at Lackland Air Force Base (LAFB) in San Antonio. Of patients tested, 268 were positive for adenovirus. Of 118 serotyped patients, 106 (90%) were identified as Ad14. A total of 27 patients was hospitalized, one of whom, a nineteen-year-old Airman Basic, Paige Villers, died in the ICU.[1][1].
Steadily declining numbers of cases continued to be reported at LAFB through November 2007, with only 39 positive for Ad14 that month.[1][1] Cases have also been reported from three other Texas military bases, but no positive connection has been made with the cases at LAFB.[1]
- Oregon
In early April 2007, 17 patients were reported to have been admitted at an Oregon hospital for severe pneumonia within the past month. Samples from 15 of these were positive for Ad14. The Oregon Public Health Division later identified samples from 31 patients from November 2006 to ? as positive for Ad14. Oregon reported a total of seven Ad14 deaths.[1]
- Washington
In the Washington cases, four cases of Ad14 infection were reported. All the patients were smokers between the ages of 40 and 62. Three suffered from lung disease and the fourth had AIDS; the latter patient later died.[1][1]
References
External links
- AP: CDC: New Respiratory Bug Has Killed 10 MIKE STOBBE 15 November 2007
- WebMD: Killer Cold Virus Appears in U.S. Daniel J. DeNoon 15 November 2007
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
