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Dr Robert Tauxe says food safety takes constant vigilance as we need to keep up with changes in microbes and food production. Advanced DNA sequencing is helping public health officials fight outbreaks and prevent them reoccurring. Tauxe is director of the US Centers for Disease Control and Prevention's division that deals with foodborne, waterborne, and fungal diseases, based in Atlanta, Georgia. He has overseen responses to hundreds of foodborne disease outbreaks. He received his medical degree from Vanderbilt Medical School and holds a Masters in public health from Yale. Tauxe is in Aotearoa this week for a series of talks organised by the NZ Food Safety Science & Research Centre.