zoonotic viruses

Question 1

where is Lassa Virus and what does it cause

Answer 1

hemorrhagic fever - africa ( arenavirus- in rodents inhale aerosols, ate bad food or contact with fomite)

Question 2

where is machupo ivrus and what does it cause

Answer 2

hemorrhagic fever - bolivia ( arenavirus- in rodents inhale aerosols, ate bad food or contact with fomite)

Question 3

where is junin virus and what does it cause

Answer 3

argentina - hemorrhagic fever ( arenavirus- in rodents inhale aerosols, ate bad food or contact with fomite)

Question 4

these filoviruses cause hemorrhagic fevers

Answer 4

marburg and ebola - both in africa

Question 5

describe what happens in the hemorrhagic fever caused by the two filoviruses

Answer 5

(ebola and marburg)

tissue necrosis of organs, hemorrhage at multiple sites , hypovolemic shock

Question 6

describe the hemorrrhagic fever caused by arenaviruses

Answer 6

(lass, machupo, junin) fever ,coagulopathy, petechiae, visceral hemorrhage, shock w.o cns lesions

Question 7

what carries hantavirus (ss- Rna )

Answer 7

rodents

Question 8

what does the hantann virus cause

Answer 8

hemorrhagic fever +/- renal syndrome

hantavirus pulmonary syndrome -severe disease with fever muscle aches, pulm edema, resp failure and deaht

Question 9

what vector carries the arboviruses

Answer 9

mosquitos - human dead end host ( not to urban yellow fever and dengue)

Question 10

virus that causes eastern equine encephaltiis + western and disease

Answer 10

togavirusees : alphavirus (ss + Rna) v( not a very severe infections)

Question 11

vector for EEE

Answer 11

aedes mosquito , host wild birds (atlantic)

Question 12

vector for wee

Answer 12

mosquito (culex) host wild birds (west mississippi)

Question 13

what does the flaviviruses cause

Answer 13

st. louis enceph, west nile , dengue , yelllow fever

Question 14

vector for st. louis and disease

Answer 14

culex mosquito - moderate to severe enceph

Question 15

vector west nile and disease

Answer 15

mosquito - fever confusion muscle weakness

Question 16

vector dengue and disease

Answer 16

mosquito - hot humans and monkeys- dengue fever ( breakbone fever)

Question 17

breakbone fever

Answer 17

dengue - flue like syndrome = pain in muscles and joints

Question 18

dengue hemorrhagic fever

Answer 18

2nd serotype. infection monoctyes and macros increase in vascular permeability , thrombocytopenia,

Question 19

what virus causes california encephalitis

Answer 19

bunyavirus ( segmented ss-RNA)

Question 20

cali encephalitis

Answer 20

vector - mosquito
high risk - campers in the summer
cause meningitis and encephalitis