Lecture 20: Zoonotic Disease of Southwest Flashcards
(62 cards)
what exacerbates zoonotic diseases in AZ
diversity of wildlife, disparities across communities, extreme climate, varying topography, close proximity to international border
where does tularemia occur in world
north america, Europe, former soviet union, china and japan
Tularemia occurs year round but increases at what time of year
winter due to increased hunting/contact with rabbits
for children specifically when is tularemia more common
summer when ticks and fleas more abundant
tularemia is typically present as what in lab settings
primary pneumonia or typhoidal tularemia
3rd most common reported lab associated bacterial infection
tularemia
tularemia is usually found in areas above ___ ft
3000
tularemia causative agent
francisella tularensis, gram negative bacteria
what disease is considered a potential bioterrorism weapon
tularemia because airborne
incubation period for tularemia
1-14 days
is tularemia directly transmitted from person to person
no but drainage from tularemia lesions is potentially infectious
how long can flies and ticks remain infected with tularemia
flies-14 days
ticks-lifetime
what are symptoms of tularemia
fever, chills, headaches, diarrhea, muscle aches, joint pain, dry cough, and progressive weakness
how is tularemia clinically diagnosed
history of tick bite or exposure to mammalian host or exposure to contaminated water
what is a differential diagnosis to tularemia
plague
without treatment of tularemia what could happen
respiratory failure, shock, death
the symptoms of tularemia are dependent on
route of tranmission/infection
what is the most common clinical form of tularemia
uclerglandular
what is a sign of glandular form of tularemia
regional lymphadenopathy with no ulcer
what are the signs of oculoglandular form of tularemia
bacteria enter the eye when person butchering animal and results in conjunctivitis with preauricular lymphadenopathy
how do you contract oropharyngeal form of tularemia and what are the signs
eating or drinking contaminated food or water
signs: stomatitis, tonsilitis, and cervical lymphadenopathy
what is the most serious form of tularemia
pneumonic because can spread from breathing dust or aerosols
** this form used as bioterrorism weapon
what is a symptoms of pneumonic tularemia
primary pleuropulmonary disease
what form of tularemia presents as a febrile illness without early localizing signs and symptoms
typhoidal
