chla·​myd·​i·​o·​sis klə-ˌmi-dē-ˈō-səs How to pronounce chlamydiosis (audio)
plural chlamydioses -ˌsēz How to pronounce chlamydiosis (audio)
: an infection or disease caused by bacteria of the family Chlamydiaceae: such as
or avian chlamydiosis : psittacosis
Around Washington, D.C., this spring there was an outbreak of avian chlamydiosis, a bacterial infection that is spread through contaminated droppings.Eirik Blom, Bird Watcher's Digest
: feline pneumonitis
Chlamydiosis is a painful eye inflammation that can also cause sneezing and a nasal discharge. The vaccine doesn't protect cats from infection, but can decrease the severity of the disease if a cat becomes infected.Rhonda Owem, The Arkansas Democrat-Gazette

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Cite this Entry

“Chlamydiosis.” Medical Dictionary, Merriam-Webster, Accessed 28 Mar. 2023.

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