Bartonella spp.are rod-shaped,Gram-negative,aerobic,fastidious,slow bacteria which cause diseases in humans and animals by parasitizing the endothelial and red blood cells of their hosts[1,2].Rodents are the most impo...Bartonella spp.are rod-shaped,Gram-negative,aerobic,fastidious,slow bacteria which cause diseases in humans and animals by parasitizing the endothelial and red blood cells of their hosts[1,2].Rodents are the most important natural reservoir hosts of Bartonella[3].In 57 countries,epidemiological studies of rat-borne Bartonella have been carried out.Information on the Bartonella infection rate in rodents has been obtained from most of these countries.The infection rate of rodents in Portugal,Egypt,Japan,Canada,and the United States is more than 90%,the infection rate in Thailand and Russia is about 80%,and the infection rate in China is about 67%.To date,22 species of rodent-borne Bartonella have been described.Of these,B.grahamii,B.vinsonii subsp.arupensis,B.vinsonii subsp.Berkhoffii,and B.elizabethae have been found to be associated with human illness.People become infected with rodent-borne Bartonella incidentally,especially when they are exposed to the habitats of wild rodents harboring various Bartonella species.Bartonella infection can affect multiple organs and poses a risk to public health[4].展开更多
Industrialization and urbanization have increased air pollution in developing countries.Haze pollution is now a severe environmental concern in China;it is mainly characterized by PM2.5, a particulate matter having an...Industrialization and urbanization have increased air pollution in developing countries.Haze pollution is now a severe environmental concern in China;it is mainly characterized by PM2.5, a particulate matter having an aerodynamic diameter of 2.5 μm or less.Northern China experiences persistent haze pollution that affects many cities and millions of people, every winter and spring.展开更多
基金supported by the grant of the Science and Technology Research and Development of Shaanxi Province[No.2015SF188].
文摘Bartonella spp.are rod-shaped,Gram-negative,aerobic,fastidious,slow bacteria which cause diseases in humans and animals by parasitizing the endothelial and red blood cells of their hosts[1,2].Rodents are the most important natural reservoir hosts of Bartonella[3].In 57 countries,epidemiological studies of rat-borne Bartonella have been carried out.Information on the Bartonella infection rate in rodents has been obtained from most of these countries.The infection rate of rodents in Portugal,Egypt,Japan,Canada,and the United States is more than 90%,the infection rate in Thailand and Russia is about 80%,and the infection rate in China is about 67%.To date,22 species of rodent-borne Bartonella have been described.Of these,B.grahamii,B.vinsonii subsp.arupensis,B.vinsonii subsp.Berkhoffii,and B.elizabethae have been found to be associated with human illness.People become infected with rodent-borne Bartonella incidentally,especially when they are exposed to the habitats of wild rodents harboring various Bartonella species.Bartonella infection can affect multiple organs and poses a risk to public health[4].
基金supported by the National Natural Science Foundation of China [81401710]the Fundamental Research Funds for the Central Universities
文摘Industrialization and urbanization have increased air pollution in developing countries.Haze pollution is now a severe environmental concern in China;it is mainly characterized by PM2.5, a particulate matter having an aerodynamic diameter of 2.5 μm or less.Northern China experiences persistent haze pollution that affects many cities and millions of people, every winter and spring.