Session Detail

Session Number: 007
Session Title: The Pandemic Threat of H7N9 Influenza: What is Different about This Virus?
Session Type: Late-Breaker
Location: Thurgood Marshall Ballroom
Session Start: 1/28/2014 7:15:00 AM
Session End: 1/28/2014 8:15:00 AM
Session Description: Avian influenza viruses bearing H5, H7, or H9 hemagglutinins have caused sporadic human infections and are generally linked to exposure to infected poultry, particularly in live bird markets. In 2013, the first documented cases of human infection with H7N9 occurred in China, and within a few months 136 cases were confirmed. Alarmingly, H7N9 influenza infections resulted in severe respiratory disease associated with approximately 30% case fatality, whereas previous H7 virus infections in humans were mild self-limited illnesses. There is a preponderance of cases in older adults and in males. Most human infections resulted from zoonotic transmission, with limited human-to-human transmission. Notably, poultry infected with H7N9 influenza viruses do not display clinical signs of illness. In animal models, H7N9 viruses appear to be more transmissible than highly pathogenic H5N1 influenza viruses. H7N9 viruses represent a pandemic threat because of the severity of clinical illness in humans, the clinically silent infection in poultry, and the potential for zoonotic and person to person transmission.
Program #: 027 - 028
1/28/2014 7:15:00 AM
Ted C. Pierson;
NIAID/NIH, Bethesda, MD.
1/28/2014 7:15:00 AM
Kanta Subbarao;
Lab. of Infec. Diseases, NIH/NIAID, Bethesda, MD.

027 -- 027. Characterization of H7N9 influenza A Viruses
1/28/2014 7:15:00 AM
Yoshihiro Kawaoka;
Dept. of Pathobiological Sc., Univ. of Wisconsin-Madison, Madison, WI.
028 -- 028. Characterization ofH7N9 Influenza Viruses
1/28/2014 7:45:00 AM
Hualan Chen;
National Avian Influenza Reference Laboratory, Harbin Vet. Res. Inst., Chinese Academy of Agricultural Sci., Harbin, China.

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