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Vaccination of poultry successfully eliminated human infection with H7N9 virus in China.
- Source :
-
Science China. Life sciences [Sci China Life Sci] 2018 Dec; Vol. 61 (12), pp. 1465-1473. Date of Electronic Publication: 2018 Nov 07. - Publication Year :
- 2018
-
Abstract
- The H7N9 viruses that emerged in China in 2013 were nonpathogenic in chickens but mutated to a highly pathogenic form in early 2017 and caused severe disease outbreaks in chickens. The H7N9 influenza viruses have caused five waves of human infection, with almost half of the total number of human cases (766 of 1,567) being reported in the fifth wave, raising concerns that even more human infections could occur in the sixth wave. In September 2017, an H5/H7 bivalent inactivated vaccine for chickens was introduced, and the H7N9 virus isolation rate in poultry dropped by 93.3% after vaccination. More importantly, only three H7N9 human cases were reported between October 1, 2017 and September 30, 2018, indicating that vaccination of poultry successfully eliminated human infection with H7N9 virus. These facts emphasize that active control of animal disease is extremely important for zoonosis control and human health protection.
- Subjects :
- Animals
China epidemiology
Humans
Influenza A Virus, H7N9 Subtype genetics
Influenza Vaccines immunology
Influenza Vaccines isolation & purification
Influenza Vaccines standards
Influenza in Birds epidemiology
Influenza in Birds transmission
Influenza, Human epidemiology
Influenza, Human transmission
Poultry virology
Vaccination statistics & numerical data
Vaccination trends
Vaccination veterinary
Disease Outbreaks prevention & control
Influenza A Virus, H7N9 Subtype immunology
Influenza Vaccines administration & dosage
Influenza in Birds prevention & control
Influenza, Human prevention & control
Zoonoses prevention & control
Subjects
Details
- Language :
- English
- ISSN :
- 1869-1889
- Volume :
- 61
- Issue :
- 12
- Database :
- MEDLINE
- Journal :
- Science China. Life sciences
- Publication Type :
- Academic Journal
- Accession number :
- 30414008
- Full Text :
- https://doi.org/10.1007/s11427-018-9420-1