The Health Service Executive has said it is working to get systems back up and running after the recent cyber attack, as quickly as possible in the safest way, for service users in line with clinical priority.

Vaccine self-registration for people aged 40-44 will open on Wednesday.

More than one million Covid-19 vaccine doses have been administered in May, taking the total to 2.7 million.

Half of the adult population has now had at least one dose.

The HSE said the detailed daily data on vaccinations and daily reports on hospital cases of Covid-19 were not ready yet, but it has been marked as a priority.

It said it hopes to be able to provide further data as soon as possible.

The daily vaccination dashboard was last updated on 11 May and the daily hospital Covid-19 last update was on 13 May.

The HSE said it has more than 2,000 systems and it was working with national and international partners to establish the best path to restore each of these systems.

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