Professor Philip Nolan, Chair of the NPHET Irish Epidemiological Modelling Advisory Group, said; "Over a two-day period Ireland moved from a relatively stable epidemiology to a significant pattern connected to outbreaks".
The official figure for Clare remains at 380, but that only covers up until last Tuesday - tonight's cases bring the number of known cases here to 391. 39% of today's cases are associated with close contacts of a confirmed case and half are associated with outbreaks.
A further 85 cases of Covid-19 were confirmed as of midnight, July 29 bringing the total number of official cases of Covid-19 infections in Ireland to 26,027 cases since the first confirmed infection on February 29.
At least 18 of the newest cases are from a cluster at a dog food factory in Co Kildare, which has been closed for the past week.
"Today's figures demonstrate how quickly Covid-19 can remerge in our country".
Dr Glynn also reminded people ahead of the August Bank Holiday weekend to ensure they are keeping to the basics of public health advice; frequent hand-washing, good cough/sneeze etiquette, maintaining social distancing, wearing a face covering in shops and on public transport and to contact the GP immediately if any symptoms develop.
"Covid-19 is extremely infectious and no one is immune".
The total for Dublin in the county breakdown is 12,487 - up by seven.
Asked what he would say to pub owners wondering if their business will reopen on Monday week, Dr Glynn said he was "very sorry" for the position they are in "but our focus here has to be on public health".
"If you are concerned that you have been in contact with a confirmed case please come forward for testing,"he added".
Up to date, national figures show there was onenew death from Covid-19 in Ireland.
It is important that people know that there is no charge for GP or testing services relating to COVID-19.
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