Monthly Notifiable Disease Surveillance Report - Mar 2022

Monday 23rd May 2022


Key Notifiable Disease Trends

 

COVID-19: There were 551,369 cases of COVID-19 notified in March 2022, compared with 120 cases for the same month in 2021. A total of 823 were border cases and the remainder were community cases. There were 2,179 hospitalisations and 55 deaths reported among COVID-19 cases. More information can be found on the Ministry of Health website.

Leptospirosis: There were 12 cases (10 confirmed, 1 probable, and 1 under investigation) of leptospirosis notified in March 2022, compared with seven cases for the same month in 2021. The 11 confirmed and probable cases ranged in age from 23 to 68 years, nine were male and two were female. Risk factor information was available for six cases; all reported exposure to animals (three due to the nature of their occupation as farmers and a shepherd) and two also reported exposure to lakes, rivers or streams. Hospitalisation was recorded for nine of the confirmed and probable cases, of which eight (88.9%) were hospitalised. The serovar was identified for four confirmed cases; three were Leptospira Hardjo, and one was L. Ballum. The six remaining cases were confirmed by PCR.

Meningococcal disease: There were four confirmed cases of meningococcal disease reported in March 2022, bringing the total for the year to date to nine, compared with six cases for the same period in 2021. Of the nine cases to date, five were of Māori ethnicity, three were Pacific and one was European/Other. Five cases were in children aged 0–14 years, including two aged <1 year. The strain type was identified in seven of the nine cases to date; five were group B and two were group W. Three group B cases were PorA type B:P1.7-12,14, one was  B:P1.5,2 and one was P1.7,16-26. No deaths were reported.

OUTBREAKS

Legionellosis: An outbreak of legionellosis, involving 11 people who stayed in shared accommodation in Hokitika, was reported in March 2022. Three cases were admitted to hospital with radiologically confirmed pneumonia. The causative agent was identified as Legionella pneumophila serogroup 2. Environmental water samples were collected from the shared accommodation, but no legionellae were isolated.

Respiratory illness: There were 68 respiratory illness outbreaks reported in March 2022. All 68 outbreaks were due to COVID-19. The majority (62) were in long-term care facilities, while the remainder were in prisons, hostels/boarding houses, and community/church/sports gatherings (2 outbreaks each).

 

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 - Mar 2022

Tables:

Monthly National Tables - March 2022 (.xlsx)

Monthly DHB Tables - March 2022 (.xlsx)

Monthly Rolling Tables - March 2022 (.xlsx)

 

DOWNLOADS

Monthly Notifiable Disease Surveillance Report - Mar 2022

Tables:

Monthly National Tables - March 2022 (.xlsx)

Monthly DHB Tables - March 2022 (.xlsx)

Monthly Rolling Tables - March 2022 (.xlsx)

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