Flashcards in Lecture 23 - Ch 34 Vectorborne & Soilborne Microbial Pathogens Deck (28)
Animal disease transmissible to humans
diseases in animals present endemically in certain populations
incidences of diseases in animals reach epidemic proportions
A negative-strand RNA virus that causes rabies
a member of the Bunyaviridae, enveloped, segmented, negative-strand RNA viruses that causes hemorrhagic fever
small bacteria that have strict intracellular existence in vertebrates
what are the three groups of Rickettsias
(1) typhus group, (2) spotted fever group, and (3) ehrlichiosis group
Transmitted by the body or head louse bite that gets contaminated with louse feces
Transmitted by dog and wood ticks
spotted fever group
this disease has Flu-like symptoms include fever, headache, malaise, and leukopenia or thrombocytopenia
the most famous disease caused by Borellia
what are the 3 stages of Lyme Disease?
1) localized infection
2) disseminated infection
3) persistent infection
in which stage of lyme disease do you see a "target" bite site?
in which stage of lyme disease does the bacteria leave the site and enter the bloodstream?
disease transmitted by Anopheles mosquitoes as vectors
Diagnosis of this disease requires identification of Plasmodium-infected erythrocytes in blood smears
seasonal disease carried by mosquitoes
West Nile Virus
___________ has caused more human deaths than any other infectious disease except for malaria and tuberculosis
what causes plague?
which plague killed 60% of the human population?
What was the first recorded plague?
Plague of Justinian
What are the 3 mechanisms that fungi cause disease?
1) allgergic response
Fungi colonize the hair, skin, or nails and infect only the surface layers
Fungi colonize deeper layers of skin
Fungal growth in internal organs of the body
__________can be especially serious in individuals with an impaired immune system
which bacteria causes lockjaw