Emerging Infections Flashcards
what ar the rep viruses concerned
SARS
MERS
what are some viral haemorrhgaic fever viruses
ebola
arbvrisues
zika and west nile viruses
what are some general characteristics of emerging infction
zoonoses (HIV, flu) natural host unaffected more severe disease in new host enchroamet into host habitat close proximity to host spread of vector
what are the commanlites of resp viruses
both coronaviruses
zoonotic infections
severe life threat infectiosn
where does SARS orig
cornoaviruse from horsheow bat
how many MERS pt mortality
> 60% ICU
36% fatality
what si the probable urge of MERS
coronavirus form camel
what are viral haemorrhage fevers caused by
arenavirus
filovirus
bunyavirus
what does viral haemorrhage fever cause
severe multsystem syndorme
widespread haemorrhaging
what si the nature reservoir of viral hameorrhagic fevers
rodents
humans not natural resveoir
how are vrialhaemorrhagic fevers restricted
geographically
what are some of most worrying viral haemrrhagic fevers
ebola marburg lassa CCHF - HUMAN TO HUMAN SPREAD
where are outbreaks of ebola comon
sporadic in africa
what are the 5 sp of ebola origin
zaire bundibugnyo sudan reston cote d'ivoire
what are some of the symptoms of ebola
sudden onset fever
FLI
D/V + rash
internal/external bleeding
what is the incubation period of ebola
2-21 says
what si the mortality of ebola
25-90% mortality after 7-16 days
what are the symptoms of ebola day 7-9
headache
fatigue
fever
muscle soreness
what are the symptoms EVD day 10
sudden high fever
vomit blood
passive behaviour
what are the symptoms of EVD day 11
bruising
brain damage
bleeding form nose, mouth, anus
what are the symptoms of day 12
loss consciousness
seizures
massive internal bleed
death
what kind of virus is west nile virus
flavivirus
what does wet nile virus infect
birds - natural host
trnamsited to humans by mosquitos
how are the symmtonts of west nile virus
80% asymptomatic OR - headache -FLI - fever - meningitis - encephalitis - rash - tremors - convulsion - polio like paralysis
why kind of virus is zika virus
flavivirus
what si the natural host zika virus
not known
doesnt need this is can spread human to human
what mosquito transmits zika virus
aedus genus
what is the incubation period of zika
2-12 days
what are some asc symptoms of zika
fever headache conjunctivitis rash ass with GBM assc with babies with mirocephlay
