chlamydia psittaci -- diagnosis in humans

Bruce M Alexander bma.mstl at mhs.unc.edu
Thu Oct 3 11:42:44 EST 1996

tom c. wrote:
> In message <324A9C8A.DEC at infect.dmed.iupui.edu> - "Diane R.
> Stothard" <dianes at infect.dmed.iupui.edu>Thu, 26 Sep 1996 10:08:58
> -0500 writes:
> ]
> ]'Gavia immer' Deborah Wisti-Peterson wrote:
> ]>
> ]> how is chlamydia psittaci diagnosed in humans? how is
> ]> it diagnosed in humans that have been exposed to this
> ]> organism but are asymptomatic?
> ]>
> ]> thanks for your responses.
> ]>
> ]> --
> ]>    Deborah Wisti-Peterson          email:nyneve at u.washington.edu
> ]> Department of Zoology, University of Washington, Seattle, Wash, USA
> ]>     Visit me on the web: http://weber.u.washington.edu/~nyneve/
> ]> =-=-Graduate School: it's not just a job, it's an indenture!=-=-]
> ]
> ]Chlamydia psittaci is not a human pathogen. It infects birds and other
> ]animals. Chlamydial human pathogens include C. trachomatis which causes
> ]trachoma and is the agent of the sexually transmitted disease, and C.
> ]pneumoniae.
> I guess (with synicism) that's why there "was" once a disease
> called psittcosis. Yes....... very transmissible with multiple
> exposures with people with the infected birds....almost reminds
> one of TB.
> Maybe.....similar etiologies.....similar morphologies...hmmmmmmm

While it is true that C. trachomatis is a more important cause of human 
disease, C. psittaci is indeed a human pathogen. Shed by stressed and 
overcrowded birds and infrequently mammals, it can be transmitted to 
poultry and abattoir workers, sheep ranchers and veterinarians.

Infection is confirmed by recovery of the organism from blood or sputum 
with subsequent growth in cell culture or embryonated eggs. It may also 
be detected serologically. Tetracycline is the drug of choice.

Bruce Alexander
Microbiology and Immunology
208 Berryhill Hall, CB #7520
UNC Chapel Hill, NC 27599-7520
ph. 919-966-1134
UNC DaVinci: bma at mstl
Internet: bma at email.unc.edu

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