ZOONOTIC DISEASES

1
ZOONOTIC DISEASES PUBLIC HEALTH ISSUES

• Companion Animals

2
Contagious diseases
3
salmonella

• 40,000 cases/year
• symptoms diarrhea, painful joints
• reptiles lizards, snake, turtles
• 60 of animals contaminated
• contamination of home
• not for children
• Potentially fatal infection in equines,
  especially neonates

4
roundworms (ascarids)

• Toxicara canis common dog roundworm
• Toxicara cati common cat roundworm
• puppies kittens often infected in utero or by
  milk

5
humans infection withnon human species
roundworms

• larva migrans (not reportable)
• humans 3000 to 4000 serum specimens/year
• symptoms
• fever, pulmonary signs, enlarged liver
• larvae wander in body
• lungs, liver, eye, other organs

6
toxoplasmosis

• Toxoplasma gondii protozoan parasite
• ingestion of infected material
• symptoms flu, muscle aches, usually nil
• risk groups pregnant women, impaired immune
  system increased fatalities
• pet cat, signs usually nil

7
psittacosis

• Chlamydia psittaci a bacterium
• symptoms endocarditis, hepatitis, neurological
  signs
• number 50/year
• risk groups bird owners, pet shop workers
• treatment antibiotics

8
rabies

• CDC rabies homepage
• http//www.cdc.gov/ncidod/dvrd/rabies/
• Rhabdovirus
• Neurotrophic virus
• Incubation 3-12 weeks depending on species
• Infection is usually via saliva/bite
• Causes a uniformly fatal encephalitis
• From clinical onset to death is usually 1 week

9
Transmission electronmicrograph
10
(No Transcript)
11
(No Transcript)
12
(No Transcript)
13
(No Transcript)
14
(No Transcript)
15
(No Transcript)
16
(No Transcript)
17
(No Transcript)
18
(No Transcript)
19
(No Transcript)
20
(No Transcript)
21
(No Transcript)
22
(No Transcript)
23
(No Transcript)
24
(No Transcript)
25
(No Transcript)
26
(No Transcript)
27
(No Transcript)
28
(No Transcript)
29
(No Transcript)
30
(No Transcript)