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What’s Making us Poop?Decloaking Pathogens: the battle
rages on
BC Food Protection AssociationThe First Decade-Embracing a Changing World
October 22, 2009
Marsha TaylorEpidemiologist
BC Centre for Disease Control
A decade worth of data
Trends in foodborne pathogens What has changed?
Pathogen Environment Host
What does this mean for public health?
What has changed?
HOST
PATHOGENENVIRONMENT
SalmonellosisSalmonellosis Rates by Year, 1999-2008
0.0
5.0
10.0
15.0
20.0
25.0
30.0Rate per 100,000 population
BC Salmonellosis Reports 725 727 763 789 660 749 739 706 792 922
BC Salmonellosis Rate 18.1 18.0 18.7 19.2 15.9 17.8 17.4 16.3 18.1 20.8
Canadian Salmonellosis Rate 18.6 18.5 19.5 19.0 16.0 15.9 18.0 14.1
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
CampylobacteriosisCampylobacteriosis Rates by Year, 1999-2008
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0Rate per 100,000 population
BC Campylobacteriosis Reports 2612 2583 2193 2052 1712 1471 1569 1586 1639 1635
BC Campylobacteriosis Rate 65.1 64.0 53.8 49.9 41.2 35.0 36.8 36.7 37.4 36.8
Canadian CampylobacteriosisRate
38.3 41.1 38.2 36.7 31.6 29.9 29.6 25.2
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
Verotoxigenic E. coli Infection
Verotoxigenic E.coli Infection Rates by Year, 1999-2008
0.0
2.0
4.0
6.0
8.0
10.0
12.0Rate per 100,000 population
BC Verotoxigenic E.coli InfectionReports
287 166 137 138 123 193 115 151 183 114
BC Verotoxigenic E.coli InfectionRate
7.2 4.1 3.4 3.4 3.0 4.6 2.7 3.5 4.2 2.6
Canadian Verotoxigenic E.coliInfection Rate
5.0 9.8 4.3 4.0 3.4 3.4 2.3 2.8
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
Listeriosis
Listeriosis Rates by Year, 1999-2008
0.0
0.1
0.2
0.3
0.4
0.5
0.6Rate per 100,000 population
BC Listeriosis Reports 3 6 6 13 12 10 10 13 9 23
BC Listeriosis Rate 0.1 0.2 0.2 0.3 0.3 0.2 0.2 0.3 0.2 0.5
Canadian Listeriosis Rate 0.3
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
Cyclosporiasis
Cyclosporiasis Rates by Year, 1999-2008
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4Rate per 100,000 population
BC Cyclosporiasis Reports 21 19 41 27 42 34 35 53 58 32
BC Cyclosporiasis Rate 0.5 0.5 1.0 0.7 1.0 0.8 0.8 1.2 1.3 0.7
Canadian Cyclosporiasis Rate 0.1 0.2 0.3 0.2 0.4 0.6 0.4
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
Note: Cyclosporiasis became nationally notif iable in January 2000
Antimicrobial resistance
http://www.phac-aspc.gc.ca/cipars-picra/pdf/2008pr-eng.pdf
Environment
Same pathogens but novel sources Produce Convenience foods Sources other than food (pets, pet food, bottled
water) Norovirus-not just person to person
Environment
International food sources A global food market
Foodborne outbreaks or issues in other countries may impact us
Localized outbreaks vs. widespread outbreaks
Host
Enteric infections associated with international travel
Host
Public awareness Media Educational initiatives Labeling
Host
Consumer demands• Convenient/Eating out • Want local and fresh (12 months of the year)• Ethnic foods
Public Health
Integrated approach to surveillance Lab techniques help improve detection Communication with all partners
What’s next
Changes in host, pathogen and source Continue to see more food available, more
consumer choices What does this mean for public health and
the food industry? Keep people safe and healthy
More information
www.bccdc.ca
Congratulations and Happy 10th Birthday!
Questions
Marsha Taylor, Epidemiologist
BCCDC
Marsha.taylor@bccdc.ca, 604-707-2544
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