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Microbiology 2 > Emerging Infections > Flashcards

Flashcards in Emerging Infections Deck (29)
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1
Q

what ar the rep viruses concerned

A

SARS

MERS

2
Q

what are some viral haemorrhgaic fever viruses

A

ebola
arbvrisues
zika and west nile viruses

3
Q

what are some general characteristics of emerging infction

A
zoonoses (HIV, flu)
natural host unaffected 
more severe disease in new host 
enchroamet into  host habitat
close proximity to host
spread of vector
4
Q

what are the commanlites of resp viruses

A

both coronaviruses
zoonotic infections
severe life threat infectiosn

5
Q

where does SARS orig

A

cornoaviruse from horsheow bat

6
Q

how many MERS pt mortality

A

> 60% ICU

36% fatality

7
Q

what si the probable urge of MERS

A

coronavirus form camel

8
Q

what are viral haemorrhage fevers caused by

A

arenavirus
filovirus
bunyavirus

9
Q

what does viral haemorrhage fever cause

A

severe multsystem syndorme

widespread haemorrhaging

10
Q

what si the nature reservoir of viral hameorrhagic fevers

A

rodents

humans not natural resveoir

11
Q

how are vrialhaemorrhagic fevers restricted

A

geographically

12
Q

what are some of most worrying viral haemrrhagic fevers

A
ebola
marburg 
lassa
CCHF
- HUMAN TO HUMAN SPREAD
13
Q

where are outbreaks of ebola comon

A

sporadic in africa

14
Q

what are the 5 sp of ebola origin

A
zaire 
bundibugnyo 
sudan 
reston
cote d'ivoire
15
Q

what are some of the symptoms of ebola

A

sudden onset fever
FLI
D/V + rash
internal/external bleeding

16
Q

what is the incubation period of ebola

A

2-21 says

17
Q

what si the mortality of ebola

A

25-90% mortality after 7-16 days

18
Q

what are the symptoms of ebola day 7-9

A

headache
fatigue
fever
muscle soreness

19
Q

what are the symptoms EVD day 10

A

sudden high fever
vomit blood
passive behaviour

20
Q

what are the symptoms of EVD day 11

A

bruising
brain damage
bleeding form nose, mouth, anus

21
Q

what are the symptoms of day 12

A

loss consciousness
seizures
massive internal bleed
death

22
Q

what kind of virus is west nile virus

A

flavivirus

23
Q

what does wet nile virus infect

A

birds - natural host

trnamsited to humans by mosquitos

24
Q

how are the symmtonts of west nile virus

A
80% asymptomatic 
OR
- headache
-FLI
- fever
- meningitis 
- encephalitis 
- rash
- tremors
- convulsion
- polio like paralysis
25
Q

why kind of virus is zika virus

A

flavivirus

26
Q

what si the natural host zika virus

A

not known

doesnt need this is can spread human to human

27
Q

what mosquito transmits zika virus

A

aedus genus

28
Q

what is the incubation period of zika

A

2-12 days

29
Q

what are some asc symptoms of zika

A
fever headache
conjunctivitis
rash
ass with GBM
assc with babies with mirocephlay