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Y3R7 - (Community) 🧑‍🧑‍🧒‍🧒 > L19: Bacterial Food-Borne Infections > Flashcards

L19: Bacterial Food-Borne Infections Flashcards

1
Q

CA of Typhoid

A

salmonella typhi (107 types)

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2
Q

CA of Paratyphoid

A

Salmonella paratyphi
- A (frequent)
- B (the most common)
- C (rare)

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3
Q

Reservoir of Typhoid & Paratyphoid

A
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4
Q

Most Dangerous Reservoir of Typhoid

A

Chronic carriers are the most dangerous

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5
Q

Chronic Carriers of Typhoid

A
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6
Q

IP of Typhoid

Study MOT of Typhoid & Paratyphoid

A

14 days, but this depends on the infective dose can vary from 3 days to 1 month

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7
Q

IP of Paratyphoid

A

Paratyphoid fever is usually 1-10 days.

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8
Q

Susceptible Age of Typhoid

A

Susceptibility is general

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9
Q

Infectivity Period of Typhoid

A

From last few days of I.P. & as long as the organism appear in excreta. (Variable in typhoid)

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10
Q

Infectivity Period of Paratyphoid

A

1-2 weeks for paratyphoid

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11
Q

Susceptible sex for Typhoid

A

more cases among males, but carrier state is more in females

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12
Q

Immunity to Typhoid

A

develop after infection (clinical or subclinical) or immunization.

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13
Q

Susceptible environment for Typhoid

A

occurs all over the year with high incidence in late summer & early autumn.

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14
Q

General Prevention of Typhoid

A

with referral to general epidemiology.
❶ Environmental sanitation
❷ Health education of the public.

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15
Q

Specific Prevention of Typhoid

A
  • Vaccination
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16
Q

Vaccination for Typhoid

  • Nature
A
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17
Q

Vaccination for Typhoid

  • Dose
A

❶ Oral typhoid vaccine: 3-4 doses, 2 days apart.

❷ Polysaccharide vi antigen vaccine: single subcutaneous dose is available

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18
Q

Vaccination for Typhoid

  • Indication
A
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19
Q

Vaccination for Typhoid

  • Protective Value
A

moderate for all preparations.

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20
Q

Composition of TAB Vx

A
  • 1 ml contain 1000 million S. typhi
  • 750 million S.paratyphi A & B
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21
Q

Composition of TABC Vx

A
  • 1 ml contain 1000 million S. typhi
  • Where paratyphi C is endemic, 750 million organisms are added
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22
Q

Composition of Typhoid Vx

A

1 ml contain 1000 million S. typhi

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23
Q

Case Control Measures for Typhoid

A
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24
Q

Contact Control Measures for Typhoid

A
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25
Q

Carrier Control Measures for Typhoid

A
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26
Q

Epidemic Control Measures for Typhoid

A
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27
Q

Case Control Measures for Typhoid

  • Notification
A

local health office

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28
Q

Case Control Measures for Typhoid

  • Isolation
A

at fever hospital or at home

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29
Q

Case Control Measures for Typhoid

  • TTT
A

with appropriate antibiotics

30
Q

Case Control Measures for Typhoid

  • Release
A

after clinical & bacterial cure (3 -ve stool & urine cultures 2 weeks after fever)

30
Q

Case Control Measures for Typhoid

  • Disinfection
A

concurrent (for urine & stool, articles) & terminal

31
Q

Contact Control Measures for Typhoid

  • Survaillence
A

3 weeks from exposure for early case & carrier finding

32
Q

International Measures for Typhoid

A

Typhoid vaccination is recommended for travelers to endemic areas

33
Q

Def of Brucellosis

A
34
Q

CA of Brucellosis

A
35
Q

Reservoir of Brucellosis

A

Infected animals; cattle, goats & sheep & pigs. No man reservoir

36
Q

MOT of Brucellosis

A
37
Q

MOT of Brucellosis

A

…

38
Q

IP of Brucellosis

A

Highly variable & difficult to ascertain 5-60 days

39
Q

Infectivity Period of Brucellosis

A

No man to man transmission

40
Q

Susceptible Age for Brucellosis

A

All ages

41
Q

Susceptible Sex for Brucellosis

A

Both sexes

42
Q

Immunity to Brucellosis

A

Severity & duration of clinical illness are subject to wide variation, Duration of acquired immunity is uncertain

43
Q

Preventive Animal Measures for Brucellosis

A
44
Q

Preventice Human Measures for Brucellosis

A
45
Q

Case Contact Measures for Brucellosis

A
46
Q

….

A

….

47
Q

Case Contact Measures for Brucellosis

  • Isolation
A

no need for isolation

48
Q

Contact Contact Measures for Brucellosis

A
49
Q

Outbreak Measures for Brucellosis

A

❶ Trace source of infection (e.g. milk products).

❷ Restricted distribution of unpasteurized milk & milk products is enforced.

50
Q

International Measures for Brucellosis

A

Quarantine measures for imported animals.

51
Q

Def of Bloody diarrhea

A
52
Q

Bloody diarrhea: is a significant cause of illness and death in young children, particularly those who live in less-developed countries.

A

…

53
Q

Causes of Bloody Diarrhea

A
54
Q

Def of Shigellosis

A

Shigellosis is a highly infectious intestinal disease caused by a family of bacteria called shigella

55
Q

CA of Shigellosis

A

there are four types of shigella (S. dysenteriae, S. flexneri, S. boydii and S. sonnei).

56
Q

Reservoir of Shigellosis

A

only human

57
Q

IP of Shigellosis

A

12-96 hours

58
Q

MOT of Shigellosis

A
59
Q

Def of Enterohemorrhagic E-coli

A

Enterohemorrhagic E. coli (EHEC) or shiga toxin-producing E is one of E-coli strains that cause severe intestinal infection in human .

60
Q

Enterohemorrhagic E-coli id different from other E. coli because it makes a …… called shiga toxin.

A

potent toxin

61
Q

This toxin damages the lining of the intestinal wall, causing bloody diarrhea.

A

…

62
Q

CA of Enterohemorrhagic E-coli

A

Enterohemorrhagic E-coli.

63
Q

Reservoir of Enterohemorrhagic E-coli

A

human (in the form case and carrier) cattle goat and sheep

64
Q

Source of Infection of Enterohemorrhagic E-coli

A

stool of infected persons.

65
Q

MOT of Enterohemorrhagic E-coli

A
66
Q

IP of Enterohemorrhagic E-coli

A

2-10 days

67
Q

Prevention & control for bloody diarrhea

A
68
Q

International measures for bloody diarrhea

A
69
Q

Done

A

…

Y3R7 - (Community) 🧑‍🧑‍🧒‍🧒 (30 decks)

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