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Human Brucellosis (HB) Through Consumption of Contaminated Small Ruminants (SR) Products in Hebron District, Palestine (PA) Dr. Samir Alfuqaha Food Safety Focal Point, Veterinary Services, MoA, PA

Human Brucellosis (HB) Through Consumption of Contaminated

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Page 1: Human Brucellosis (HB) Through Consumption of Contaminated

Human Brucellosis (HB) Through Consumption

of Contaminated Small Ruminants (SR) Products

in Hebron District, Palestine (PA)

Dr. Samir Alfuqaha

Food Safety Focal Point,

Veterinary Services, MoA, PA

Page 2: Human Brucellosis (HB) Through Consumption of Contaminated

PBCP started on the year 1998 with the following facts;PBCP started on the year 1998 with the following facts;

Animal Brucellosis prevalence (18.6%) among animal and Animal Brucellosis prevalence (18.6%) among animal and (72.9%) among flocks(72.9%) among flocks

Registered farmers (14579) Registered farmers (14579)

Livestock census (530822) sheep (341017) goats (15990) Livestock census (530822) sheep (341017) goats (15990) cattle (613) camelscattle (613) camels

Strategy of mass vaccination of sheep and goats through Strategy of mass vaccination of sheep and goats through ocular route with Rev 1 full dose vaccine regardless of age ocular route with Rev 1 full dose vaccine regardless of age and sex, had been implemented (according to the FAO, OIE and sex, had been implemented (according to the FAO, OIE and WHO recommendations) and WHO recommendations)

Page 3: Human Brucellosis (HB) Through Consumption of Contaminated

Sero Sero -- surveillance, 2005 / 1998surveillance, 2005 / 1998

72.9

18.6

46.3

4.8

0

10

20

30

40

50

60

70

80

1998 72.918.6

2005 46.34.8

Prevalence / flocksPrevalence / animals

Brucellosis is a zoonosis with a strong correlation between animal and human cases

Page 4: Human Brucellosis (HB) Through Consumption of Contaminated

5.815.8120082008

6.066.0620072007

2.812.8120062006

3.593.5920052005

4.724.7220042004

7.987.9820032003

5.155.1520022002

8.848.8420012001

10.4610.4620002000

26.9426.9419991999

32.4432.4419981998

22.8522.8519971997

35.1735.1719961996

Incidence Incidence

RateRate/ /

100,000100,000 YearYear

Human Brucellosis Incidence Rate 1996 Human Brucellosis Incidence Rate 1996 -- 20082008

Incidence Rate/ 100,000

35.17

22.85

32.44

26.94

10.468.84

5.157.98

4.723.592.816.065.81

0

5

10

15

20

25

30

35

40

199419961998200020022004200620082010

Page 5: Human Brucellosis (HB) Through Consumption of Contaminated

Animal Brucellosis, especially when caused by B. melitensis can Animal Brucellosis, especially when caused by B. melitensis can often be often be

identified through investigations of human casesidentified through investigations of human cases

MOH records show that the maximum MOH records show that the maximum human Brucellosis cases are human Brucellosis cases are recorded in Hebron district where recorded in Hebron district where one third of the national livestock one third of the national livestock is raised , the seasonal trend of is raised , the seasonal trend of these cases was obvious these cases was obvious

27

1317

47

35

25

14

30

10

20

30

40

50

2007/1

2

2008/0

1

2008/0

2

2008/0

3

2008/0

4

2008/0

5

2008/0

6

2008/0

7

2008/0

8

Page 6: Human Brucellosis (HB) Through Consumption of Contaminated

Hebron district Brucellosis 2008Hebron district Brucellosis 2008

►► 56% of human Brucellosis cases in Hebron were females, out of 56% of human Brucellosis cases in Hebron were females, out of which 55% had contact with animals, in contrary; only 49% of malwhich 55% had contact with animals, in contrary; only 49% of male e cases had animal contact cases had animal contact

►► Among the Brucellosis patients in Hebron 22% had the habit of Among the Brucellosis patients in Hebron 22% had the habit of consuming raw milk, 81% of these do contact animals. consuming raw milk, 81% of these do contact animals.

►► while 51% of the cases had the habit of consuming raw cheese, while 51% of the cases had the habit of consuming raw cheese, 43% of these do not contact animals.43% of these do not contact animals.

►► 53% of the human cases in Hebron had contact with animals, in 53% of the human cases in Hebron had contact with animals, in fact they are a consumers of their productfact they are a consumers of their product

►► Marlin Jamil was born in Athayereah on 15/3/08 with an infant Marlin Jamil was born in Athayereah on 15/3/08 with an infant Brucellosis Brucellosis

Page 7: Human Brucellosis (HB) Through Consumption of Contaminated

Educational levels of livestock farmers (%)Educational levels of livestock farmers (%)

24.6 24.022.9

18.7

4.6 5.1

Illititrate/c an

read and

w rite

Elmentary Preparotry S ec ondary Diploma BA and more

Page 8: Human Brucellosis (HB) Through Consumption of Contaminated

Actions taken by farmers when suspecting Actions taken by farmers when suspecting a case of infection (% farmers)a case of infection (% farmers)

100.0100.032.832.867.267.2Treat the infected animalTreat the infected animal

100.0100.044.744.755.355.3Keeping the suspected animalKeeping the suspected animal

100.0100.082.882.817.217.2Slaughter the suspected animalSlaughter the suspected animal

100.0100.088.488.411.611.6Sell the suspected animalSell the suspected animal

100.0100.016.716.783.383.3Ask vet to inspect suspected animalAsk vet to inspect suspected animal

100.0100.039.139.160.960.9Report suspected animal to official Report suspected animal to official

authoritiesauthorities

TotalTotalNoNoYesYesAction Taken by FarmerAction Taken by Farmer

Page 9: Human Brucellosis (HB) Through Consumption of Contaminated

Cases in which gloves are used (% of farmers)Cases in which gloves are used (% of farmers)

12.6

24.1

56.8

6.5

In c as e plac enta is

s tuc k and needs to be

ex trac ted

A lw ays in any c as e of

abortion or delivery

I don't us e gloves Others

Page 10: Human Brucellosis (HB) Through Consumption of Contaminated

Percentage distribution of farmers with respect to the Percentage distribution of farmers with respect to the measures followed by while milking their animalsmeasures followed by while milking their animals

5.9 5.9 94.1 94.1 55.4 55.4 44.6 44.6 Washing hands after milkingWashing hands after milking

94.8 94.8 5.2 5.2 98.1 98.1 1.9 1.9 Others Others

11.3 11.3 88.7 88.7 58.8 58.8 41.2 41.2 Placing a sheet of gauze over Placing a sheet of gauze over

milk container milk container

85.7 85.7 14.3 14.3 97.6 97.6 2.4 2.4 Washing the milking machine Washing the milking machine

after milkingafter milking

84.1 84.1 15.9 15.9 96.4 96.4 3.6 3.6 Washing the milking machine Washing the milking machine

before milkingbefore milking

20.4 20.4 79.6 79.6 61.2 61.2 38.8 38.8 Washing hands before milkingWashing hands before milking

35.4 35.4 64.6 64.6 60.6 60.6 39.4 39.4 Udder is washed before milkingUdder is washed before milking

58.0 58.0 42.0 42.0 83.0 83.0 17.0 17.0 Using special clothes for milking Using special clothes for milking

““NoNo””““YesYes””Not Not

mentionedmentionedMentionedMentioned

Prompted Prompted

responsesresponsesUnprompted responsesUnprompted responsesProtective Protective

Measures/PracticesMeasures/Practices

Page 11: Human Brucellosis (HB) Through Consumption of Contaminated

Percentage of beneficiaries who boil milk and cheesePercentage of beneficiaries who boil milk and cheesebefore consumption and salebefore consumption and sale

69.369.330.730.7Selling it Selling it

15.615.684.484.4Consuming it Consuming it Do you boil the Cheese Do you boil the Cheese

before before

70.070.030.030.0Selling it Selling it

5.75.794.3 94.3 Consuming it Consuming it Do you boil the milk Do you boil the milk

before before

No No Yes Yes

Page 12: Human Brucellosis (HB) Through Consumption of Contaminated

Number of farmersNumber of farmers’’ household members who have been household members who have been previously infected with Brucellosis (% of farmers)previously infected with Brucellosis (% of farmers)

1.61.62244

4.04.05533

10.310.3131322

84.184.110610611

% of farmers% of farmersCount (no. of farmers)Count (no. of farmers)Number of infected Number of infected

person in householdperson in household

Page 13: Human Brucellosis (HB) Through Consumption of Contaminated

Reasons for infection according to medical reportsReasons for infection according to medical reports(no. and % of farmers)(no. and % of farmers)

100.0100.0121121TotalTotal

5.05.066OthersOthers

4.14.155DKDK

4.14.155Eating unEating un--cooked meatcooked meat

57.057.06969Eating unEating un--boiled milk/cheeseboiled milk/cheese

29.829.83636Friction/deal with livestock Friction/deal with livestock

Valid PercentValid PercentCountCountReported reasonsReported reasons

Page 14: Human Brucellosis (HB) Through Consumption of Contaminated

Sources of purchase dairy products (% of households)Sources of purchase dairy products (% of households)

14.014.08.08.0Other sources Other sources

14.014.03.1 3.1 Produced in homes, and purchased from street vendors Produced in homes, and purchased from street vendors

14.514.54.84.8Produced by farmers, and purchased from street vendorsProduced by farmers, and purchased from street vendors

14.314.330.030.0Purchased from known farmer Purchased from known farmer

17.3 17.3 10.8 10.8 Produced by unknown farmers, and purchased from Produced by unknown farmers, and purchased from

shops shops

6.7 6.7 85 85 Produced by factory, and purchased from groceriesProduced by factory, and purchased from groceries

Some Some

TimesTimes

YesYesSourceSource

Page 15: Human Brucellosis (HB) Through Consumption of Contaminated

Because Brucellosis control is categorized in to ;Because Brucellosis control is categorized in to ;

►► hygienehygiene

►► control of animal movementcontrol of animal movement

►► vaccinationvaccination

►► test and isolation/ slaughtertest and isolation/ slaughter

PBCP future design must be revised to integrate these PBCP future design must be revised to integrate these

activities activities

Page 16: Human Brucellosis (HB) Through Consumption of Contaminated

Meat Hygiene Meat Hygiene

It is estimated that about It is estimated that about

80% of the slaughtered 80% of the slaughtered

animals are not under animals are not under

the veterinary the veterinary

supervision due to the supervision due to the

noticeable shortage in noticeable shortage in

the qualified abattoirs the qualified abattoirs

Page 17: Human Brucellosis (HB) Through Consumption of Contaminated

Occupational exposureOccupational exposure

Slaughter men and butchers Slaughter men and butchers

could be at high risk of could be at high risk of

exposure to Brucellosisexposure to Brucellosis

Page 18: Human Brucellosis (HB) Through Consumption of Contaminated

Milk hygieneMilk hygiene

57% of the produced milk in 57% of the produced milk in

Palestine is a small ruminant Palestine is a small ruminant

milk, scattered and milk, scattered and

traditionally processed.traditionally processed.

Directing this milk in to a Directing this milk in to a

pasteurization schemes for pasteurization schemes for

dairy products shall dairy products shall

participate in reducing participate in reducing

human Brucellosis human Brucellosis

prevalenceprevalence

Page 19: Human Brucellosis (HB) Through Consumption of Contaminated

Food borne transmissionFood borne transmission

Fresh milk or dairy products Fresh milk or dairy products

from unheated milk are from unheated milk are

usually the main source of usually the main source of

brucellosis for urban brucellosis for urban

populationpopulation

Page 20: Human Brucellosis (HB) Through Consumption of Contaminated

Gotten appetite

Page 21: Human Brucellosis (HB) Through Consumption of Contaminated

Thanks For your Attention