Monthly Notifiable Disease Surveillance Report - Nov 2021

Friday 28th January 2022


Key Notifiable Disease Trends

COVID-19: There were 5146 cases of COVID-19 reported in November 2021 (5135 confirmed, 8 probable and 3 under investigation), compared with 102 cases for the same month in 2020. The vast majority of the confirmed and probable cases (5075, 98.7%) were community cases, 67 (1.3%) were imported cases in managed isolation/quarantine (MIQ) facilities, and one was a historical case. A total of 188 (3.7%) cases were hospitalised. Sixteen deaths were reported among COVID-19 cases, of which two were due to COVID-19. The Ministry of Health released further information on deaths associated with COVID-19 on 30 November 2021.

OUTBREAKS

Respiratory illness: There were four respiratory illness outbreaks reported in November 2021, involving 62 cases. Three outbreaks were reported as influenza-like illness (ILI) and one was reported as acute respiratory infection (ARI). Rhinovirus was identified in one outbreak. No pathogen was identified in the remaining three outbreaks (SARS-CoV was excluded in one). Three outbreaks were in long-term care facilities and one was in a childcare centre.

Salmonellosis: A case of Salmonella Enteritidis sequence type 11 has been identified as belonging to the Enteritidis_2019_C_01 cluster that was first reported in the March monthly report. This is the first new case since July 2021. From January to November 2021 there have been 49 cases reported. The outbreak strain has been identified in poultry and egg farms.

Vibrio parahaemolyticus infection: An outbreak of gastroenteritis due to Vibrio parahaemolyticus infection was reported from Northland DHB in November 2021, involving two cases. The cases had consumed raw oysters from a seafood wholesaler. Further investigations, including genomic sequencing, are underway.

Note: Click on the document links below to open. These documents are in PDF format. You will need to download the free Adobe Acrobat Reader to view them.

Report:

Monthly Notifiable Disease Surveillance Report - November 2021

Tables:

Monthly National Tables - November 2021 (.xlsx)

Monthly DHB Tables - November 2021 (.xlsx)

Monthly Rolling Tables - November 2021 (.xlsx)

 

DOWNLOADS

Monthly Notifiable Disease Surveillance Report - November 2021

Tables:

Monthly National Tables - November 2021 (.xlsx)

Monthly DHB Tables - November 2021 (.xlsx)

Monthly Rolling Tables - November 2021 (.xlsx)

Ph: +64 4 914 0700 Fax: +64 4 914 0770 Email: survqueries@esr.cri.nz