Importance of parasitic foodborne diseases in rural areas of southern Laos: A long-term case study...
Transcript of Importance of parasitic foodborne diseases in rural areas of southern Laos: A long-term case study...
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Importance of parasitic foodborne diseases in rural areas of southern Laos: A long-term case study using an integrated
approach
One Health Ecohealth 2016, 3-7 December 2016, Melbourne, Australia
Vannaphone Putthana, Panomsak Promburom, Thipphakone Lacksivy, Dethaloun Meunsen, Amphone Keosengthong, Garance Danner, Khao Keonam, Palamy Changleuxai, Nalita Adsanychanh, Daosavanh Sanamxay, Phongsamouth Suthammavong, Khampasong
Ninnasopha, Aurélie Binot, Stephane Herder, Fred Unger
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Emerging health risks
Social ecological system & OneHealth
Ecosystem(interactions & dynamics)
Social(interactions & dynamics)
Agro
-eco
syst
em (p
ets &
live
stoc
ks)
• Complex & uncertain• Evolve & change rapidly• Multiple stakeholders +
point of view & action
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Trandisciplinary and cross-sectorial collaboration platform Ad
min
istra
tive/
spati
al sc
ales
Mutual learning & understanding, support, networking, capacity building and collective action for better management.
Non-absolute issue owner
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Representation & need
Representation & need
Representation & need
Representation & need
From individuals’representations…
..perceive, aware modify individual oneto facilitate collective action ?
.. a common representation..
..to co-construct..
Exchanging point of view& knowledge
Changes / Outcomes
Companion modeling approach
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Parasitic food-borne diseases (PFBD) in Laos
• PFBD are expected to be widely distributed in Laos.• PFBD can significant impact on human health,
livelihood and economy.• Lack of detailed information and evidences.
• Assess PFBD distribution in southern Laos.• Understand risk-related perception & practices.• Establish a cross-sectorial collaboration platform to
promote feasible prevention & control.
Objectives:
“Integrated OH approach” into “practice”
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In-depth assessment of PFBD
On-farm survey (1 province, Savannakhet)• Serological survey (Trichinella in pigs using ELISA)• Questionnare, observations and likert scales
Literature review (Laos, last 10 years)• Trichinella, Cysticercosis and O.V.
PRA/PE: 3 provinces x 3 district x 3 villages• Various tools used e.g. FGD, Transsect, ranking ect.
Issue contextualization• Interdisciplinary team
(Vet, Med, Soc, Env, Agri, modeling)• Co-construct better understanding
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PRA/PE: Topics of the focus group discussion
• Livelihoods context and common issue of concern • Social and cultural behavior/practices related to the PFBD• Ecological and livelihood linkages • General problems of the community• Health issue/problem of human and animal• Perception, knowledge, practice related to the PFBD
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PE/PRA comprehensive info & knowledge gained
General issue Health issue
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Common dishes
Causes of the PFBD
Prevention & control
• They do have knowledge, but still take risk.• Different among the respondants.• Teacher have better knowledge.• Paravet usually know worms but not precisely.
Perception, knowledge and practice
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o Open defecationo Waste managemento Free roamingo Dead animals managemento Slaughtering at unclean places
PRA/PE: Other risk practices (Observation)
• Health and PFBD are low-ranked.• PFBD could be linked to diverse quoted symptoms.• Limited knowledge / wrong perception.• PFBD-related risk practices.
PRA/PE: Summary
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Serological Results
• 418 samples from 181 households were collected in 19 villages across 3 districts of Savannakhet.
• Overall serological prevalence for Trichinella in pigs 17.7% (74/418)• Significant difference between districts
0.00% 5.00% 10.00% 15.00% 20.00% 25.00% 30.00% 35.00% 40.00%
9.56%
35.00%
4.10%Xonnaboury
Songkhone
Champhone
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Seropositivity and age
Seropositivity and housing
Free range: 27.9% (19/68)
Pen: 16.7% (39/234)
Tethered: 13.9% (16/116)
2 to<6m 6 to>12m 12m & older0%
10%
20%
30%
40%
50%
60%
Seroprevalence by age class
Highest prevalence in pigs 1yr or older: 54% (27/50)
6 to < 12 m
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Zoonotic knowledge: 14.4%, 26 of 181 people heard about zoonotic diseases, but further details were usually not known Associated diseases stated (out of 26 repondent): • Bird flu (4/26), Liver fluke/liver disease (3/26), Rabies (1/26), Denghi (1/26)
Other selected results
72.4%1.7%1.7%2.6%
18.1%
3.4%
Reasons for not deworming pigs
Dont know about it have no deworm drugHave no money no needpig look healty raising short time
Use of dewormer in pigs 6.1% (11/181 farmers)
Reason for not using: - Dont know about is (72.4%)- No need as pigs look healthy (18.1%)
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Villagers perception related to deworming and raw fish/pork
consumption (using Likert scale)
Wrong perception
Perceived correctly, (but still take risk)
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Synthesis of results: Knowledge on PFBD (ongoing)
PRA Questionnaire
Interview question Likert scale
- Very limited knowledge on cause and prevention-Worms are common for vilagers but not known as health issue
- Very limited knowledge on cause and prevention- Only 1.5%, link raw pork consumption to PFBD
Perception that worms are not harmful for humans (85% agreement)
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Cross-sectoral platform
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Steering committee
Steering committee establishment• Representatives from 6 ministries, faculties,
and local governors.• Informed/updated on the project approach
and progress made.• Agreed on duties and commitment to
advise, interface with policy level. • Extend one health effort network.
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Technical working group (TWG)• Ministries: Agriculture & Forestry,
Defense, Public health, Natural Resource & Env., Information, Culture & Tourism, Education & Sport, U. of Health Science, 3 Faculties (Env, Soc, Agri)• Well informed and agree to the project
approach & process.• Committed to provide technical advise
and support.
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Feedback meeting @ Khammoune and Savannakhet24-26 November 2016
• 18 villages from 2 provinces• 3 representatives from the TWG• 15 representatives from the provincial sectors.
Knowledge verification (get feedback from the stakeholders) Exchange and improve knowledge. Inform the research direction and activity plan. Build trust, keep connection and networking with the
stakeholders.
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Ince
ption
mee
ting
06,08/15
Administrative level
Local
District/province
National
Ince
ption
mee
ting
(SC)
01/16
PE/P
RA
07-12/16
SC m
eetin
g
01/17
SC m
eetin
g
TWG
mee
ting
2
Stud
y to
ur, K
KU
01/16 07/16 10/16Te
chni
cal t
rain
ing
10/16
TWG
mee
ting
1
06/16
Feed
back
Inter-sectoral collaboration
Sam
plin
g&
HH
surv
ey
07/16
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• The project has been establishing and building a set of capital essential for the OH issue in Laos (and in others).– Interdisciplinary research team, transdisciplinary efforts– Valid scientific knowledge for evidence based
recommendations – Capacity building (research team, local partners, SC and
TWG)– Cross-sectoral collaboration platform (SC and TWG
established and linked to the local offices)• An innovation of developing and implementing
integrated methodological framework and cross-sectoral collaboration platform for OH issue
Summary
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1. Consolidate the finding and provide concrete evidence to raise awareness and stimulate the collaborative efforts.
2. Co-design & develop the communication & intervention • Technical training to the local staffs.• Co-design & develop communication tool (school, locals).• Designate a local cross ministerial working group.
3. Pilot info & knowledge dissemination and collective management.
4. Proposed to the SC and conveyed to policy maker.5. Co-develop a practical cross-sectoral platform guideline to
guarantee the continuation of the OH effort.6. M & E on the outcomes to broaden the communication and
community of practice.
Ways forward
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Co-construct a common understanding
Issue?• System & holistic approach.• Participative & adaptive manner.• Co-learning by doing. • Interdiscplinary team• Trust and partnership
“That is our desirable future ”
“We need changes”• What changes? how?• Who changes? How?• How to sustain?
Concrete evidence• PRA/PE• Sero-sampling
Agree and proposefuture improvements
SC
TWG
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• How to scale-out such integrated approach & practice?• How to ensure long-term sustainable outcome and impact?• How to engage target stakeholders involved in the processes?
Challenges
Thank you very much!
ຂອບໃຈຫຼາຍໆເດ້ີ