Effects of Transportation on Racial/Ethnic Diversity of National Park Visitors
In: Leisure sciences: an interdisciplinary journal, Band 39, Heft 2, S. 126-143
ISSN: 1521-0588
53 Ergebnisse
Sortierung:
In: Leisure sciences: an interdisciplinary journal, Band 39, Heft 2, S. 126-143
ISSN: 1521-0588
In: Environmental management: an international journal for decision makers, scientists, and environmental auditors, Band 68, Heft 1, S. 73-86
ISSN: 1432-1009
In: Defence Technology, Band 24, S. 122-128
ISSN: 2214-9147
In: Environmental science and pollution research: ESPR, Band 24, Heft 10, S. 9294-9304
ISSN: 1614-7499
In: CyTA: journal of food, Band 11, Heft 4, S. 318-323
ISSN: 1947-6345
In: CyTA: journal of food, Band 12, Heft 1, S. 22-26
ISSN: 1947-6345
In: NANOEN-D-24-03648
SSRN
In: Land use policy: the international journal covering all aspects of land use, Band 83, S. 379-389
ISSN: 0264-8377
In: JTEMB-D-22-00067
SSRN
In: The aging male: the official journal of the International Society for the Study of the Aging Male, Band 27, Heft 1
ISSN: 1473-0790
In: Environmental science and pollution research: ESPR, Band 30, Heft 19, S. 54616-54627
ISSN: 1614-7499
In: Waste management: international journal of integrated waste management, science and technology, Band 125, S. 172-181
ISSN: 1879-2456
In: BITE-D-21-07444
SSRN
In: Environmental science and pollution research: ESPR, Band 23, Heft 19, S. 19696-19706
ISSN: 1614-7499
In: http://www.biomedcentral.com/1471-2458/15/931
Abstract Background The third wave of H7N9 cases in China emerged in the second half of 2014. This study was conducted to identify the risk trends of H7N9 virus in human infections and environment contamination. Methods A surveillance program for H7N9 virus has been conducted in all 90 counties in Zhejiang since March 2013. All H7N9 cases were reported by hospitals through the China Information System for Disease Control and Prevention. Sampling sites for environment specimens were randomly selected by a multi-stage sampling strategy. Poultry-related workers for serological surveillance were randomly selected from the sampling sites for environmental specimens in the first quarter of each year. rRT-PCR and viral isolation were performed to identify H7N9 virus. A hemagglutination inhibition assay was conducted to detect possible H7N9 infection among poultry-related workers. Results A total of 170 H7N9 cases were identified in Zhejiang from 20 March 2013 to 28 February 2015. The proportion of rural cases increased from 42.2 % (19/45) to 67.7 % (21/31) with progression of the three epidemics (P < 0.05). In 32 % (161/503) of towns and 16.0 % (238/1488) of surveyed premises, H7N9 virus was detected in the environment. The positive rate of environmental specimens was 6.1 % (868/14207). In addition, 912 poultry-related workers were recruited and 3.7 % (34) of them tested positive for H7N9 antibodies. Positive detection of H7N9 virus during environmental surveillance increased from the first to third wave (P < 0.05). Almost all positive rates of environmental surveillance were higher in urban than rural in the second wave (P < 0.05), however they were higher in rural area in the third wave (P < 0.05). Conclusions Our study highlights that the severity of poultry-related environmental contamination by H7N9 virus is intensifying. We strongly recommend that the local government stop illegal trading immediately and close live poultry markets in the territory. Poultry operations in slaughtering plants must be supervised rigorously. Prior to the closure of live poultry markets, daily cleaning and disinfecting of areas potentially contaminated by H7N9 virus, centralized collection and disposal of trash, designating certain days as market rest days, banning overnight poultry storage and other measures should be strictly carried out in both urban and rural areas.
BASE