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VPH 122 (3rd exam) > Vibrio > Flashcards

Vibrio Flashcards

1
Q

animals mainly affected with Vibriosis (4)

A
  1. Plant-eating animals
  2. Birds near bodies of water
  3. Seafood animals
  4. Freshwater animals
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2
Q

(3) at risk with Vibrio

A
  1. immunocompromised
  2. taking antacid
  3. recent stomach surgery
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3
Q

(3) zoonotic Vibriosis

[ cvp ]

A

V. cholerae
V. vulnificus
V. parahaemolyticus

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4
Q

3 environments where Vibrio can be found

A
  1. freshwater
  2. estuarine
  3. marine
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5
Q

optimum growth of Vibrio

A

37C ; pH 5 - 7

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6
Q

Can Vibrio tolerate high salt conditions?

A

NO (mild only, like saltwater sea)

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7
Q

Because of this, new strains of Vibrio emerged

A

recombination &
horizontal gene transfer

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8
Q

Vibrio
E. coli
Salmonella

..can form this, which persist in the environment.

A

biofilm

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9
Q

Vibrio:
viable or not
culturable or not?

A

viable,
not culturable

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10
Q

(3) disinfectants for Vibrio

A
  1. Chlorine-bases
  2. hydrogen peroxide
  3. 70% ethanol
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11
Q

Vibrio prefers: warm or cold?

A

WARM

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12
Q

V. cholerae mainly affects? give age

A

children (below 5 y.o.)

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13
Q

where do Cholera starts?

A

coastal regions

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14
Q

Major factor of cholera?

A

Bodies of water

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15
Q

best source of Vibrio?

A

Plankton blooms

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16
Q

Cholera has become (endemic, epidemic, pandemic) in the Philippines

A

EN-demic

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17
Q

Vibrio spp that has 2 serotypes
- classified based on antigenic propterties & physiological differences

A

V. cholerae

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18
Q

Strain of this Vibrio spp is different in US & Asia

A

V. parahaemolyticus

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19
Q

V. parahaemolyticus preferred season?

A

temperate, tropical coastal areas

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20
Q

prevalent strain of V. parahaemolyticus

A

O3 : K6

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21
Q

3 risk factors of V. parahaemolyticus

[ bsc ]

A
  1. Ballast water discharge
  2. Shellfish transport
  3. Climate warming
22
Q

V. vulnificus is more common in _____ water

23
Q

Vibrio species that is opportunistic

A

V. vulnificus

24
Q

Vibrio spp responsible for more than 95% of seafood-related deaths (US)

A

V. vulnificus

25
Which spp has these risk factors - liver disease - diabetes mellitus - tumor - immunocompromised individuals
V. vulnificus
26
transmission of Vibrio
any that related with contaminated water & seafood (+ wound)
27
only Vibrio spp found in FRESH water
V. cholerae (O1 / O139 strains)
28
Vibrio spp found in SEA-WATER only & thru wound exposure?
V. alginolyticus
29
Vibrio spp that has symptoms involving 3 biotypes 1 - gastroenteritis, wound infections & human fatal septicemia 2 - farmed eel fatal septicemia 3 - wound infections
V. vulnificus
30
Vibrio spp involving ear & wound infection
V. alginolyticus
31
Vibrio spp with ID of >105 CFU/g
V. parahaemolyticus
32
Vibrio spp with otitis media
V. cholerae (non-O1 / non-O139 strain)
33
Sample for diagnosis of Vibrio?
1. feces / stool 2. blood
34
Definitive diagnosis for Vibrio
Dark Field microscopy (not confirmatory)
35
Bacterial culture for Vibrio?
Thiosulfate-citrate-bile salts-sucrose (selective)
36
Inhibits growth of Vibrio
thiosulfate-citrate
37
Vibrio spp that fermente sucrose which lowers acidity of medium?
V. cholerae
38
Vibrio spp that cannot ferment sucrose (same pH)
V. parahaemolyticus
39
Diagnosis for genes of Vibrio - cholera toxin (CTX) V. parahaemolyticus: - TDH - TRH
PCR
40
(2) supportive treatment for Cholera?
1. IV fluid 2. PO of electrolyte & glucose drinks (mild cases)
41
Treatment for “children” with diarrhea cased by Vibrio ? give span of tx It reduces frequency & recurrence
Zinc therapy (for 2 weeks)
42
Antibiotics of choice for Vibrio (shortens duration) [ 34 DEA ]
3rd & 4th gen cepahlosporin doxycycline erythromycin azithromycin
43
Resistant for Vibrio [ P VAE ]
Penicillin Vancomycin Ampicillin Erythromycin
44
Vaccination for vibrio is only available for ____ dose?
humans ; once (some are boosted)
45
meaning of WASH
Water Sanitation Hygiene
46
2 Reporting system needed to be improved for Vibrio
• Surveillance system • International reporting system
47
definition of COVIS
Cholera & Other Vibrio Information Service
48
gives idea on current ecology & epidemiology of Vibrio
COVIS
49
WHO wants to end cholera in ___?
2030
50
What does multi-sectoral approach mean?
hotspots are targeted to eradicate

VPH 122 (3rd exam) (26 decks)

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