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Vector Borne Disease
Diseases
38
Microbiology
Not Applicable
08/09/2010

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Cards

Term
Name 5 Vector Borne Diseases
Definition
1.) Tularemia
2.) Lyme Disease
3.) Reckettsial Disease
4.) Plague/Black Death/Bubonic Plague
5.) Arthropod Borne (Mosquito)
Term
Pathogen of Tularemia
Definition
Fransicella tularensis
Term
5 Vectors of Tularemia
Definition
Ticks, deer, flea *rabbit, lice
Term
Reservoir of Tularemia
Definition
Rodent
Term
S/s of tularemia depend on _______
Definition
portal entry
Term
If tularemia enters via skin, s/s =
Definition
swollen, painful node
ulcer @ site
Term
If tularemia enters anywhere else besides skin, s/s =
Definition
fever, headache, malaise, pain in lymph nodes
Term
Tularemia is invasive and will spread through the ________ causing _____, ______, and/or _______
Definition
lymph system
Septicemia, pneumonia, abscesses
Term
Why is pneumonia dangerous considering Tularemia?
Definition
Transmission can change to respiratory = person to person
Term
ID 50 of tularemia is 10 -50, which means what?
Definition
Low infective dose
Term
What are the 2 strains of tularemia?
Definition
Jellison Type A; N. American, more virulent
Jellison Type B; everywhere else, less virulent
Term
________ is the major emerging infectious vector borne disease.
Definition
Lyme Disease
Term
What is the Lyme disease pathogen?
Definition
Barrelia burgdorferi
Term
The deer tick needs to feed off its host for ___ - ____ hours for transmission.
Definition
24 - 48 hours
Term
What are the 3 phases s/s of Lyme's disease?
Definition
1.) expanding rash @ bite site (bull's eye), flu-like symptoms
2.) pain & swelling in joints, neurological change (bell's palsy, menigitis), multiple rash sites
3.) chronic above, hearing, vision, migranes
Term
How do you treat early onset Lyme disease?
Definition
Amoxicillan (long term 1 month)
Term
What 3 diseases are caused by Rickettsia?
Definition
Rocky Mountain Spotted Fever
Epidemic Typhous
Endemic Typhous
Term
How does Rickettsia infect the body?
Definition
Infect endothelial cells of vascular system, blocking small blood vessels and capillaries = necrosis = rash
Term
What is the pathogen of Rocky Mountain Spotted Fever?
Definition
Rickettsia rickettsii
Term
What are s/s of Rocky Mountain Spotted Fever?
Definition
high fever, rash
Term
What is treatment for Rocky Mountain Spotted Fever?
Definition
Tetracycline, Chloramphenical
Term
What is pathogen for Epidemic Typhous?
Definition
Rickettsia prowazekii
Term
What is vector for Epidemic Typhous?
Definition
Body Lice
Term
What are s/s of Epidemic Typhous?
Definition
Prolonged and high fever (104 F) 2+weeks
rash
Term
What is pathogen for endemic typhous?
Definition
Rickettsia Typhi
Term
What is vector for endemic typhous? Reservoir?
Definition
Flea
Mice
Term
What are s/s of endemic typhous?
Definition
mild fever, persistent headache, rash (self limiting)
Term
What is the pathogen for Plague?
Definition
Versimia pestis
Term
How does Plague affect the body? (2 ways)
Definition
1.) LYMPH SYSTEM causing hemorrhagic nodes called buboes

2.) BLOODSTREAM: meningitis, pneumonia, then respiratory (fatal)
Term
What are the 3 Arthropod borne diseases?
Definition
St. Louis Encephalitis, West Nile Virus, Dengue
Term
What is the pathogen on arthropod borne diseases?
Definition
Flavivirus
Term
What are the general s/s of Flavivirus/Arthropod Borne diseases?
Definition
encephalitis, chills, fever, headache... if progresses, confusion, coma, worse headache, neck stiffness
Term
____________ most common of Flavivirus, vector mosquito, affects humans and sentinel animals (chix in rural areas), mortality rate 5-30% (highest in elderly).
Definition
St. Louis Encephalitis
Term
Which enchephalitis (flavivirus) is more severe.... WEE or EEE?
Definition
WEE
Term
__________ 80% asymptomatic, has potential to be a serious disease. 20% rash, headache, fever, nausea, vomiting. < 1% serious symptoms.
Definition
West Nile Virus
Term
Besides a mosquito, how else can the West Nile Virus be transmitted?
Definition
Blood transfusions, organ transplant, exposure in lab
Term
_______ is a traveling virus, not big in US. 5% mortality rate. Sudden onset of fever, severe headache, myalgia, arthalgia, hemorrhagic shock.
Definition
Dengue
Term
_____________ s/s fever (2-7 days), N/V, abdominal pain, headache, severe hemorrhaging, bruise easily, bleeding from nose, gums, internal bleeding
Definition
Dengue Hemorrhagic Fever
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