Human infection with Chlamydia psittaci is rare but difficult to recognize.We report an outbreak of psittacosis among poultry processing workers in China.We applied metagenomic next-generation sequencing and identifie...Human infection with Chlamydia psittaci is rare but difficult to recognize.We report an outbreak of psittacosis among poultry processing workers in China.We applied metagenomic next-generation sequencing and identified Chlamydia psittaci reads from samples of all seven patients,four of which were subsequently confirmed by PCR.Epidemiological results suggested that the poultry processed in the factory was the possible source of human infection.展开更多
Objective:To detect and characterize Chlamydophila psittaci(C.psittaci) in asymptomatic feral pigeons in central Thailand.Methods:A total 814 swabs from the trachea and cloacae of 407non-clinical feral pigeons in cent...Objective:To detect and characterize Chlamydophila psittaci(C.psittaci) in asymptomatic feral pigeons in central Thailand.Methods:A total 814 swabs from the trachea and cloacae of 407non-clinical feral pigeons in central Thailand were collected and tested for the presence of C.psittaci.Results:A 10.8%of feral pigeons in the sample group were positive as determined by nested PCR primer specific to C.psittaci.The outer membrane protein A(orupA) gene of positive samples exhibited amino acid identity of C.psittaci ranging from 71 to 100%and were grouped in genotype B.Exceptionally,BF1676-56 isolate was closely related to Chlamydia avium with99%identification of the I6 S ribosomal(r) RNA gene.Conclusions:This is the first report on C.psittaci isolated from asymptomatic feral pigeons in Thailand,which provides knowledge for the disease status in pigeon populations in Thailand.展开更多
文摘Human infection with Chlamydia psittaci is rare but difficult to recognize.We report an outbreak of psittacosis among poultry processing workers in China.We applied metagenomic next-generation sequencing and identified Chlamydia psittaci reads from samples of all seven patients,four of which were subsequently confirmed by PCR.Epidemiological results suggested that the poultry processed in the factory was the possible source of human infection.
基金financially supported by the Monitoring and Surveillance Center for Zoonotic Diseases in Wildlife and Exotic Animals.Faculty of Veterinary Science.Mahidol University
文摘Objective:To detect and characterize Chlamydophila psittaci(C.psittaci) in asymptomatic feral pigeons in central Thailand.Methods:A total 814 swabs from the trachea and cloacae of 407non-clinical feral pigeons in central Thailand were collected and tested for the presence of C.psittaci.Results:A 10.8%of feral pigeons in the sample group were positive as determined by nested PCR primer specific to C.psittaci.The outer membrane protein A(orupA) gene of positive samples exhibited amino acid identity of C.psittaci ranging from 71 to 100%and were grouped in genotype B.Exceptionally,BF1676-56 isolate was closely related to Chlamydia avium with99%identification of the I6 S ribosomal(r) RNA gene.Conclusions:This is the first report on C.psittaci isolated from asymptomatic feral pigeons in Thailand,which provides knowledge for the disease status in pigeon populations in Thailand.
