Havelock North Waterborne Outbreak

August 2016The Worlds Largest Campylobacteriosis Outbreak

Brent Gilpinbrent.gilpin@esr.cri.nz

17 May 2017Health Related Water Microbiology Conference

Chapel Hill

Thursday 18th August 2016

CampylobacteriosisCampylobacter jejuni

Campylobacteriosis

Health Intelligence Team, ESR

10

20

BV3 BV2 BV1

Water

Saturday Monday Wednesday Friday

Water samples (sampled 12 Aug)

DescriptionTotal

coliforms E. coli CampylobacterBore 1 37 10 Not detectedBore 2 30 13 C. jejuni41 Hikanui Dr 110 23 C. jejuni31 Endsleigh Rd 48 12 C. jejuni92 Endsleigh Rd 51 23 C. jejuniLibrary 46 14 C. jejuni

MBiT – 18 genes

MBiT results (Friday 19 Aug)Water

Human

Chicken

Ovine

Deer

Bovine

Wildfowl

Porcine

Turkey

Ostrich

Kiwi

Alpaca

Havelock Clinical

Havelock Water

Water

Human

Chicken

Ovine

Deer

Bovine

Wildfowl

Porcine

Turkey

Ostrich

Kiwi

Alpaca

Havelock Clinical

Havelock Water

Human,

Surface w ater,

Human,1

Ovine,

Pit,

Bore w ater,

Ovine,1

Reticulated Water,

Reticulated Water,1

Bovine,

Surface w ater,1

Bore w ater,1

Animal,

Bovine,1

Pit,1

MB

iTA

nal

ysis

Whole Genome Sequencing

coreMLST (>1200 genes)

688830

744

859

21

Whole Genome Sequencing

(SNP Analysis)

Perfect Storm

10

20

BV3 BV2 BV1

Mangateretere Stream Pond 6th Sep 2016

Acknowledgements

Ministry of HealthHawkes Bay DHB Nick JonesHawkes Bay Regional Council Stephen SwabeyTonkin & Taylor Tony CussinsClinical LaboratoriesESR Kirsten Thom, Hayley Erskine, Wendy Williamson, Susan Lin, Paula Scholes, Maurice Wilson, Rob Lake, Chris Nokes, Murray Close, Margaret MacKenzie, Erin McGill, Judith Webber, Beth Robson,, Angela Cornelius, Lucy Rivas, Christina Bir; Graham Mackereth; Graeme Benny; Virginia Hope; Angela Brounts; Chris Hewison; Nadia Anderson; Jill Sherwood; Rebecca Roos; Tim Wood; Shevaun Paine; Tammy Hambling, Jenny Draper, Marilyn Piercy, Una Ren, Nicole Moore, Kristin Dyet, Muriel Dufour, Dave Duncan, Naveena KarkiMassey University Jonathan Marshall, Patrick Biggs, David Hayman, Nigel French, David Wilkinson, Ji Zhang

https://www.dia.govt.nz/Government-Inquiry-into-Havelock-North-Drinking-Water

End of May