NZPHSR - March 2016

1. Editorial

• Information systems initiatives for infectious disease surveillance in New Zealand

2. Notifiable disease surveillance

Significant increases in 12-monthly notification rate

• Cronobacter species invasive disease
• Cryptosporidiosis
• Legionellosis
• Pertussis
• Salmonellosis
• VTEC infection

Significant decreases in 12-monthly notification rate

• Acute rheumatic fever
• Campylobacteriosis
  • Dengue fever
  • Gastroenteritis (acute)
• Giardiasis
• Hepatitis A
• Measles
  • Toxic shellfish poisoning
  • Zika virus infection

3. Other surveillance reports

• A case of foodborne botulism in Wellington

4. Outbreak surveillance

• 147 outbreaks (1702 cases) notified in this quarter
• 108 final reports (1344 cases); 39 interim reports (358 cases)
• 18.8 cases per outbreak on average
• 15 hospitalisations, 3 deaths

5. Outbreak case reports

• Verotoxin-producing Escherichia coli outbreak at an early childhood education centre

6. Laboratory surveillance

• Laboratory-based legionellosis surveillance, 2014