3. Clinical Syndromes
i. Bubonic Plague:
Incubation period:
– < 7 days after flea bite.
High fever and painful bubo in the groin and
axilla.
Untreated
Bacteremia > 75% mortality
rate
4. ii. Pneumonic Plague:
Bubonic Disease >Pneumonic Plague >
Exhales the Organism in Droplets.
Highly infectious
Incubation period:
– 2 to 3 days, with fever and malaise
– pulmonary signs within one day
Untreated
> 90% mortality rate
9.
Y. enterocolitica
Y. pseudotuberculosis
– Enterocolitis:
Diarrhea,
fever and abdominal pain
Infection can mimic acute appendicitis
More common in children
– Other infections:
Septicemia,
arthritis, hepatitis, and
osteomyelitis
– Epidemic outbreaks due to Y. enterocolitica:
Contaminated meat and milk
10.
Y. enterocolitica
Y. pseudotuberculosis
– Enterocolitis:
Diarrhea,
fever and abdominal pain
Infection can mimic acute appendicitis
More common in children
– Other infections:
Septicemia,
arthritis, hepatitis, and
osteomyelitis
– Epidemic outbreaks due to Y. enterocolitica:
Contaminated meat and milk