There have been 649 outbreaks of Covid-19 in the week leading up to last Saturday.
The majority of the clusters identified were in private homes.
In the seven days leading up to Saturday, October 17, 461 outbreaks or clusters of Covid-19 occurred in private homes.
The second most common place an outbreak was identified was in schools with 46 recorded as part of the latest Health Protection Surveillance Centre (HSPC) data.
The HSPC said that these outbreaks are associated with school children and/or staff members.
It said transmission of the virus within the school "has not necessarily been established in these outbreaks".
There were 18 outbreaks in workplace settings with three linked to food processing plants and four connected to the construction industry.
There were five outbreaks connected to nursing homes and eight within a residential institution.
The data showed seven childcare facilities experienced an outbreak and a further eight originated in pubs.
In the same week, three outbreaks happened in meat processing plants and four related to construction sites.
There were 19 new outbreaks among the vulnerable populations, 17 of which were in the Traveller community where there were 258 cases notified during the week in question.
Of the outbreaks, 24 were identified as community outbreaks.