viral hemorrhagic and prion Flashcards

(35 cards)

1
Q

what is virus hemorrhagic fever

A

Virus that can cause massive hemorrhaging

-no cure only supportive care

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2
Q

where most deadly hemorrhage fevers found

A

Africa

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3
Q

what is viral hemorrhagic fever caused by

A

filovirus – long filaments

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4
Q

zaire

A

-most deadly of all ebola

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5
Q

sudan

A

2nd most deadly in humans

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6
Q

reston virus

A

-known to be deadly in primates other than humans

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7
Q

where was Ebola found

A

Zaire region in Africa now known as the Congo

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8
Q

what primates can become infected with human deadly forms of ebola

A

monkeys, gorillas, chimps

-dead end host

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9
Q

what is thought to be primary reservoir of ebola

A

fruit bat

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10
Q

viral hemo transmission

A

human to human
-blood, body fluids, and semen
-mother to baby
-contaminated medical equipment
-meat of contaminated animals

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11
Q

in viral hemorragic disease how long can semen be infected

A

up to a year after infection

-once someone dies body fluids still infected

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12
Q

viral hemorrhagic disease incubation period

A

short, within a few days to a week after infection will start to be symptomatic

-no transmission until symptoms are seen

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13
Q

viral hemorrhagic symptoms

A

fever, headache, muscle and stomach pain, vomiting and diarrhea, and bleeding

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14
Q

mortality rate of ebola can reach what percent

A

90%

-depending on the type

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15
Q

what animal can be infected with several forms of ebola

A

pigs

-can pass the deadly forms to humans

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16
Q

vaccine for ebola

A

Merck

-pushback from people in africa due to western medicine

17
Q

diagnosis of viral hem

A

Can either be done via ELISA looking for antibodies or PCR testing

18
Q

marburg virus

A

-similar to ebola, genetically different
-found in marburg germany with people who travel to Africa and came home sick

19
Q

primary reservoir for marburg virus

20
Q

difference from ebola and marburg virus

A

rash seen in marburg

21
Q

who is susceptible to Marburg virus

A

hospital workers

-high transmission

22
Q

prion disease classified as

A

slow virus disease
-misshaped protein

takes years to cause symptoms

-once symptomatic become fatal

23
Q

where does prion disease come from

A

transmitted, inherited, and come from unknown sources

24
Q

what does prion disease cause

A

spongiform encephalitis
-brain spongey in autopsy

-affects man and animals

25
most well known prion disease of animal forms
scrapie -seen in sheeps and goats -affects brain, neurological changes -want to scrap off wool
26
what age animals does scrapie affect
2-5
27
what happens to animal if have scrapie
need to kill entire herd if one animal has it, burn the ground and not used
28
scrapie affect humans?
no
29
kuru
seen in fore people in papa new guinea -seen from cannibalism trembling or shaking
30
creutzfeldt-jakob disease is similar to what
Alzheimer's -- symptoms CJD symptoms are rapid tho and will die within year of having -people above 60 get
31
sporadic form
-most cases of CJD -comes on and can't trace to anything
32
familial form
○ If family member has you have increased risk of getting ○ Dominant inheritance
33
acquired form due to
-contaminated medical equipment -pituitary growth hormone- PERMEANT DEFERRAL FOR BLOOD -vCJD
34
what is variant CJD traced to
contaminated beef aka mad cow disease -lower age onset -slow -people in certain parts of europe deferred from donating for life -no meat from Europe
35
wasting disease seen in
deer, elk no evidence of passing prion to human -warn hunters to not kill animals being weird -seen in US