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London 2012: monitoring food and water safety at the Olympic Games
Dr Caroline WillisFood Water & Environmental Microbiology Laboratory Porton
September 2013
Public Health EnglandEstablished on 1st April 2013
Executive agency of the Department of Health
Includes staff from more than 70 previous organisations
Working on
health protection
health improvement
addressing health inequalities
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Food Water and Environmental Microbiology ServiceTesting: testing of food, dairy, water & environmental samples for Local Authorities, Port Health Authorities, hospitals and commercial customers
Advice: Significance of results and appropriate control measures; including evidence in court
Training: Training of partner organisations
Information: Results from investigations and surveys provide a wider picture of changes which may affect public health
Research and development
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It all started eight years ago….6th July 2005:
London announced as the host for
the Olympic Games 2012
We all celebrated…..
….then, it hits home that we have
only 7 years to prepare for and
to deliver a safe Olympic and
Paralympics Games in Summer 2012!
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27th July - 9th September 2012
10 million Olympics & Paralympics tickets
0.9m-2.8m overnight visitors to London: 35% overseas
Up to 900,000 spectators and volunteers attending on any one day
400,000 athletes and staff
27,000 media
London 2012 Games
= MASS GATHERING!
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Infectious diseases and mass gatherings
Types of mass gatherings and potential infectious diseases
Examples Infectious disease risks
Religious festivals
Hajj, Christian festivals, Kumbh Mela
Respiratory infections, gastrointestinal illness
Sporting events
Olympics, soccer world cup, cricket world cup
Respiratory infections, gastrointestinal illness
Music festivals
Glastonbury, UK; Summerfest, USA
Sexually transmitted infections, respiratory infections, gastrointestinal illness
Trade meetings
World Expo Respiratory infections, measles
Abubakar et al., Lancet Infectious Diseases 2012 12:66-74
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Public Health and the Games
Infectious disease
one of the key risks to the Games
Communication with other
Olympic Games hosts
identify key risks
Commonwealth Games 2010
importance of planning
& meeting deadlines
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Role of the HPA was to provide public health governance to the Olympic and Paralympic Health Programme
Work streams included:
Risk management
Surveillance
Diagnostic capacity reporting
Responses
Emergency planning
Exercises and testing
Communication
Finance
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Food and Water Microbiology and the GamesRisk assessment identified need for:
Advice, training and support
Transport and logistics
Rapid testing and reporting
Information management
Scale up for incidents
Monitoring
Incidents and outbreaks
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Olympic Games
Paralympic Games
Advice & Support National on-call rota of FW&E microbiologists
24 hours, 7 days per week
TrainingTraining for key stakeholders
Joint Local Authority of Regulatory Services
(JLARS)
London Organising Committee of the Olympic Games
(LOCOG)
Local & Port Health Authorities
HPA FW&E Microbiology Service staff
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Advice, Training & Support
Service User Manual
Guidance notes for sampling officers
On-call sampling support
Evidence based focus for sampling activity
surveys of mobile catering at large scale events
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Sampling supportMobile filtration equipment
for on site sampling of swimming pools
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Large Scale Events Survey 2009
Between July & September 2009
139 large events
318 vendors
Total 1,364 samples:
457 foods
232 waters
536 swabs
139 cloths
Unsatisfactory
Satisfactory
Large Scale Events Survey - Timing of sampling
57% of samples collected “out-of-hours”
Follow-up Study of Large Events 2010Between May & November 2010
153 large events
Total 1,662 samples:
659 foods
209 waters
585 swabs
176 cloths
33 swabs of wrist bands worn by food handlers
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Comparison of consecutive studies
Study % Satisfactory
Food Water Swabs Cloths
Mobile Vendors 2002 N/A 50 N/A N/A
Mobile Vendors 2006 N/A 46 46 13
Large Events 2009 90 48 62 29
Large Events 2010 91 73 68 44
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On Park Training and Support
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Transport and logisticsExercises in early 2012 to test transport systems
Daily collection from JLARS for samples from Olympic Park and other London Olympic venues
Successful transport of all samples, including at weekends and Bank Holidays, despite road closures and diversions
Additional sampling supplies provided to sampling officers, including grab bags containing key consumables & additional cool boxes to facilitate increased sampling
Accreditation for three members of staff to have access to the Olympic Park & other venues to support sampling activity, as appropriate
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Rapid testing and reportingReal-time PCR implemented for rapid screening of enrichment broths for foodborne pathogens
Rapid reporting mechanisms agreed with JLARS and other Stakeholders to ensure interventions could be undertaken in real-time
Good communication lines to provide advice and support sampling activity
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Information managementActivity a part of the overall health protection support by the HPA
Involvement in daily HPA situation reporting
Mechanism to deal with queries and ensure consistency in advice to stakeholders
Daily spreadsheet of interim and final results to JLARS and other sampling officers across Local Authorities
Clear communication lines through dedicated e-mail accounts
Full traceability of all information flows
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Microbiology Services
Microbiology Cell
Reference Laboratories
Food and Water Laboratories
Clinical Laboratories
Operations
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Scale up for incidents
Five Official Control laboratories in England
Two sites (London and Porton)
directly involved in delivery of testing
for Olympic venues
Ability to transfer work between sites
to enable handling of large scale incident
Tested through pre-Games exercises
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FW&E Microbiology Service Olympic activities
All five laboratories involved in
responding to Olympic-associated
incidents in their local area
Most affected London and Porton
Approximately 12% of total work
of London (April – August 2012)
related to Olympics
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Monitoring activityIn collaboration with
JLARS, Local Authorities, Port Health Authorities
and the Drinking Water Inspectorate
Drinking water monitoring on Olympic sites, particularly the Park
Verification of the commissioning process
Results converted into public health interventions
Re-laying of water pipe runs
Assurance of cleaning for drinking water fountains & outlets
Evidence for public information on suitability of sources for drinking
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Monitoring activityWater, food and environmental monitoring
Marinas, hotels, training camps and ships
used by competitors and Olympic venue staff
Swimming pools, Spa pools
Water systems, Food service
Mobile food vendors around routes for:
Torch relay, Cycling events
Running events
Sea water monitoring (Weymouth)
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Outbreaks & incidentsJoint activities with stakeholders
Four hygiene problems with food manufacturers in Olympic food chain
two sandwich producers,
one meat pie producer
one sliced meat producer
Microbiological results & advice to
Local Authorities, Food Standards Agency and Health Protection Units
Resulted in improvements in manufacturing environments
No adverse impact on public health detected
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Outbreaks & incidentsTwo norovirus outbreaks amongst athletes
Advice to Local Authorities and Health Protection Units
Hygiene screening in hotel kitchen and food service environment
Legionella pneumophila detected in a ship water system
Ship providing accommodation for Olympic staff
Results from routine monitoring
Advice to Port Health Authority and Health Protection Unit
No cases identified
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The LegacyImproved links with key stakeholders
Proven capability of the Agency
Trained, competent individuals
Experience of large scale events and incident response
Implementation of rapid methods
Improved communication capability
Experience of command and control situations
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Thanks to all colleagues for all their hard work
and a shared experience
Recommended