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C. Psittaci & Psittacosis Rhonda C. Campbell East Tennessee Regional Health Office P.O. Box 59019 Knoxville, TN 37950-9019 (865) 549-5287

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Presentation on theme: "C. Psittaci & Psittacosis Rhonda C. Campbell East Tennessee Regional Health Office P.O. Box 59019 Knoxville, TN 37950-9019 (865) 549-5287"— Presentation transcript:

1 C. Psittaci & Psittacosis Rhonda C. Campbell East Tennessee Regional Health Office P.O. Box Knoxville, TN (865)

2 East Tennessee Region – Pet cockatiel (Frankie) diagnosed with Chlamydophila psittaci What is C. psittaci and why do I need to do follow up on a bird?

3 Chlamydia or Chlamydophila Genus Birds Avian chlamydiosis best term to specify infection with C. psittaci in birds Humans Psittacosis originating from parrots or psittacine birds (parrot fever)

4 What is Psittacosis? Psittacosis is an infectious disease transmitted to humans from birds in the parrot family, turkeys and pigeons Caused by bacteria - Chlamydophila psittaci

5 Reservoir & Hosts 130 species of birds worldwide and variety of mammals and humans Most common source of human infection: exposure to recently acquired parrot type birds (macaw, cockatoo, parakeet, cockatiel, lovebird)

6 Life Cycle Enters the host via inhalation or ingestion and replicates Released to the environment via feces, nasal secretions, sputum, blood or infected tissues May survive in soil 3 months or in bird droppings 1 month Humans acquire by fecal/oral, mouth to beak contact, or handling plumage or tissues –Inhalation of aerosolized organism

7 Clinical Signs and Symptoms – Human Incubation 5-14 days Abrupt onset of fever, chills, headache, malaise, and myalgia Occasional severe pneumonia and non respiratory health problems

8 Psittacosis Case Definition (CDC) Clinical description Illness characterized by fever, chills, headache, photophobia, cough, and myalgia Laboratory Isolation of organism from respiratory secretions or Fourfold or greater increase in antibody titer or High antibody titer by MIF (micro- immunofluorescence)

9 Opening Scenario Local veterinarian notified Tennessee Department of Health of positive c. psittaci for Frankie cockatiel Time for us to go to work!!! Investigation begins….

10 Compendium of Measures to Control Chlamydophilia psittaci Infection Among Humans and Pet Birds, 2006 National Association of State Public Health Veterinarians, Inc.

11 Psittacosis Compendium Prevention and control –Testing methods –Treatment options Responsibilities of owners, physicians, and veterinarians Epi investigations Bird quarantine Bird importation

12 Psittacosis Compendium Prevention and controlPrevention and control –Testing methods –Treatment options Responsibilities of owners, physicians, and veterinariansResponsibilities of owners, physicians, and veterinarians Epi investigations Bird quarantineBird quarantine Bird importationBird importation

13 When to conduct an epidemiological investigation? Bird chlamydiosis (confirmed or probable) obtained from a pet store, breeder, or purchased w/in 60 days of onset of illness Person with confirmed or probable psittacosis Several avian chlamydiosis cases from same source

14 Diagnosis of C. Psittaci Frankie lab confirmed illness –PCR + Blood –PCR + Fecal –IFA + Serum Frankie was exposed to two recently purchased birds that died Veterinarian noticed that Frankie's owner had classical symptoms of psittacosis

15 Investigation Bird owner – owned Frankie for several years Newly purchased cockatiels –First one died two days after purchase –Second bird was purchased then died 5 days later –From same pet store

16 Human Patient #1, Bird Owner Headache, fever, myalgia, cough for 3 weeks PCP confirmed: – Acute URI –Serology test for psittacosis –Rx: Doxycycline 100 mg bid x 10 days

17 Human Patient # 2, Store Owner Out of work ill; visiting doctor Headache, cough, chills, fever 101.3, for 2-3 weeks CXR: consistent with psittacosis Serology for psittacosis Rx: Doxycycline x 21 days

18 Treatment Human These two were treated with Doxycycline. Other treatment choices include: –Erythromycin or –Azithromycin Z- pack Bird Oral doxycycline is the treatment of choice

19 Human Case Confirmation Both patients improved with treatment Convalescent serum collected after days Acute and convalescent serum sent to state lab then CDC – results pending

20 Pet Store Visit Questionnaire developed; 26 employees and the distributor interviewed for illness Provide: education and fact sheet One employee reported tiredness Another employee reported headache, cough, tiredness; referred to physician but refused

21 Veterinary Visit to Store State Veterinarian notified (Dept. of Agriculture) Local Veterinarian visited Pet Store; 60 birds examined – no other illnesses Isolate and treat 3 birds caged with the 2 birds that died Store employees educated on illness in birds, cleaning procedures, and preventive measures

22 Distributor Sick birds traced to an individual distributor –Raised birds and had a few domestic breeders –Housed at facility for short time –Sales records and dates not kept Likely delivered the cockatiels one month prior

23 Results Illness in the 2 people resolved with treatment Frankie well and at home No other illnesses among staff or animals at store

24 Clinical Signs - Birds Respiratory signs: nasal or ocular discharge, difficulty breathing Signs of liver disease: green urates in droppings, inappetance Common: spleen & liver enlarged Pigeons & passerines exhibit little or no symptoms: asymptomatic carriers

25 Notifiable Disease? Human psittaci is a nationally notifiable disease Many states, not Tennessee, require avian chlamydiosis be reported to State Veterinarian Imported birds not routinely tested for psittaci

26 Lessons Learned First step: Consult the Psittacosis Compendium (NASPHV) Importance of Communication & Teamwork –S–Store Owner –H–Healthcare Providers –H–Health Department (Local, Region, State, & State Lab) –A–All of the Above

27 Thank you! Rhonda C. Campbell East Tennessee Regional Health Office P.O. Box Knoxville, TN (865)

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