<i>Chlamydophila psittaci</i>Transmission from Pet Birds to Humans

Vanrompay, Daisy; Harkinezhad, Taher; Walle, Marijke van de; Beeckman, Delphine Sylvie Anne; Droogenbroeck, Caroline Van; Verminnen, Kristel; Leten, Ruud; Martel, An; Cauwerts, Katty

doi:10.3201/eid1307.070074

Cited by 131 publications

(103 citation statements)

References 11 publications

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“…psittaci by nested PCR/EIA, and bacteria were isolated from 25 (42.3%) birds with PCR-positive results. Eight of 39 (20.5%) breeding facilities were positive in both nested polymerase chain reaction (PCR)/ EIA and culture, and respiratory disease was present in all these facilities [23]. Interestingly, we not only discovered ''the expected'' genotype A, but for the first time also detected genotype E/B strains in Psittaciformes [6].…”

Section: Introductionmentioning

confidence: 69%

“…Indeed, the prevalence of Cp. psittaci infections is high among Psittaciformes [23] and therefore previous exposure to the organism is hardly surprising. Moreover, Cp.…”

Section: Discussionmentioning

confidence: 99%

“…Pharyngeal swabs of all birds of this breeding facility were negative in a Cp. psittaci species-specific nested PCR/EIA and in culture on BGM cells [23]. Eight pairs of male and female budgerigars were housed in 8 separate bird cages placed in 2 negative pressure isolators (IM 1500, Montair, Sevenum, The Netherlands), 4 cages per unit.…”

Section: Vaccination Trialmentioning

confidence: 99%

“…In birds, the course of infection can be rather mild but a mortality rate of 50% or even higher is not unusual 1 . Faecal and nasal excretions of diseased birds are the primary source of human infections [6,13,23]. However, apparent clinically healthy Psittaciformes also present a threat to human health, since many cockatoos, parrots, parakeets and lories never get rid of the bacterium once infected and most of them actually become Cp.…”

Section: Introductionmentioning

confidence: 99%

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Protection of budgerigars (Melopsittacus undulatus) againstChlamydophila psittacichallenge by DNA vaccination

2009

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-Plasmid DNA (pcDNA1::MOMP A) expressing the major outer membrane protein (MOMP) of Chlamydophila psittaci genotype A strain 89/1051 has been tested for its ability to induce protective immunity against Cp. psittaci challenge in budgerigars. Eight pairs of male and female budgerigars were housed in eight separate bird cages placed in two negative pressure isolators, four cages per group. All budgerigars were immunised twice intramuscularly with 100 lg plasmid DNA. Both groups received a primary DNA inoculation at day 0 followed by a booster inoculation 3 weeks later. Group 1 received pcDNA1::MOMP A, while group 2 received the placebo vaccine pcDNA1. Budgerigars were challenged by aerosol 2 weeks following the booster vaccination. The challenge consisted of 10 8 TCID 50 of the homologous Cp. psittaci genotype A strain. Cloacal and pharyngeal swabs of all budgerigars, taken prior to the experimental infection were negative in both PCR and culture. However, all budgerigars showed low pre-existing serum antibody titres. This indicates that animals were previously infected. Nevertheless, DNA immunisation could significantly reduce clinical signs, macroscopic lesions, pharyngeal and cloacal excretion as well as chlamydial replication, even in the presence of pre-existing serum antibodies, as compared to the placebo-vaccinated controls.Chlamydophila psittaci / budgerigar (Melopsittacus undulatus) / DNA vaccination / MOMP

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Section: Introductionmentioning

confidence: 69%

“…Indeed, the prevalence of Cp. psittaci infections is high among Psittaciformes [23] and therefore previous exposure to the organism is hardly surprising. Moreover, Cp.…”

Section: Discussionmentioning

confidence: 99%

Section: Vaccination Trialmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Protection of budgerigars (Melopsittacus undulatus) againstChlamydophila psittacichallenge by DNA vaccination

2009

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“…It can also be found in oral and respiratory secretions. [14] The infected animal may remain asymptomatic and only manifest symptoms when stressed. [11,15] In the Philippines, recent researches used antibody tests to determine the presence of C. psittaci antibodies.…”

Section: Introductionmentioning

confidence: 99%

Determination of hematological values and detection of Chlamydophila psittaci antibodies in captive blue-naped parrots at the Ninoy Aquino Parks and Wildlife Nature Center

Salazar¹,

Teves²,

Vitor³

2018

Natl J Physiol Pharm Pharmacol

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Background: Tanygnathus lucionensis lucionensis, also known as the blue-naped parrot, is endemic to Luzon and Mindanao and is known for their distinctive blue crown and nape. Aims and Objectives: Being indigenous to the Philippines, the initial reports of hematological values and the common diseases of this subspecies are significant to be determined and studied. Materials and Methods: In this study, six captive blue-naped parrots at the Ninoy Aquino Parks and Wildlife Nature Center (NAPWNC) were tested to obtain initial reports for hematological parameters of the species. Using the ELISA method, the presence of Chlamydophila psittaci antibodies was determined to assure that there was no current infection. The study aimed to determine an initial report for the hematological values of the species and to detect the presence of antibodies against C. psittaci in the blood serum of blue-naped parrots held captive at the NAPWNC. Results: The initial reports of the parameters were as follows: Hematocrit is 44% ± 4%; total erythrocyte is 3.59 × 10 6 cells/mm 3 ± 0.21; Hgb is 12.86 g/dL ± 1.12; mean corpuscular volume is 121 femtoliter ± 10; mean corpuscular hemoglobin (MCH) concentration is 29.75 % ± 3.62; MCH is 36.03 picogram ± 4.8; total leukocyte is 17.95

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Bacterial Diseases

Weese

BSc

2010

Companion Animal Zoonoses

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Chlamydophila psittaciTransmission from Pet Birds to Humans

Cited by 131 publications

References 11 publications

Protection of budgerigars (Melopsittacus undulatus) againstChlamydophila psittacichallenge by DNA vaccination

Protection of budgerigars (Melopsittacus undulatus) againstChlamydophila psittacichallenge by DNA vaccination

Determination of hematological values and detection of Chlamydophila psittaci antibodies in captive blue-naped parrots at the Ninoy Aquino Parks and Wildlife Nature Center

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