viral hemorrhagic and prion Flashcards
(35 cards)
what is virus hemorrhagic fever
Virus that can cause massive hemorrhaging
-no cure only supportive care
where most deadly hemorrhage fevers found
Africa
what is viral hemorrhagic fever caused by
filovirus – long filaments
zaire
-most deadly of all ebola
sudan
2nd most deadly in humans
reston virus
-known to be deadly in primates other than humans
where was Ebola found
Zaire region in Africa now known as the Congo
what primates can become infected with human deadly forms of ebola
monkeys, gorillas, chimps
-dead end host
what is thought to be primary reservoir of ebola
fruit bat
viral hemo transmission
human to human
-blood, body fluids, and semen
-mother to baby
-contaminated medical equipment
-meat of contaminated animals
in viral hemorragic disease how long can semen be infected
up to a year after infection
-once someone dies body fluids still infected
viral hemorrhagic disease incubation period
short, within a few days to a week after infection will start to be symptomatic
-no transmission until symptoms are seen
viral hemorrhagic symptoms
fever, headache, muscle and stomach pain, vomiting and diarrhea, and bleeding
mortality rate of ebola can reach what percent
90%
-depending on the type
what animal can be infected with several forms of ebola
pigs
-can pass the deadly forms to humans
vaccine for ebola
Merck
-pushback from people in africa due to western medicine
diagnosis of viral hem
Can either be done via ELISA looking for antibodies or PCR testing
marburg virus
-similar to ebola, genetically different
-found in marburg germany with people who travel to Africa and came home sick
primary reservoir for marburg virus
fruit bats
difference from ebola and marburg virus
rash seen in marburg
who is susceptible to Marburg virus
hospital workers
-high transmission
prion disease classified as
slow virus disease
-misshaped protein
takes years to cause symptoms
-once symptomatic become fatal
where does prion disease come from
transmitted, inherited, and come from unknown sources
what does prion disease cause
spongiform encephalitis
-brain spongey in autopsy
-affects man and animals