5 January – A further 17,656 cases and 40 deaths were reported, bringing the totals to 884,855 cases and 5,952 deaths.[5]
6 January
A further 23,817 cases were reported, bringing the total number of confirmed cases to 908,672.[6]
People who received a third or booster vaccine dose began receiving an updated Digital COVID Certificate.[7]
8 January – A further 26,122 cases (the highest number of confirmed cases recorded in a single day since the pandemic began) were reported, bringing the total number of confirmed cases to 956,720.[8]
10 January – A further 23,909 cases were reported, bringing the total number of confirmed cases to 1,002,013.[9]
11 January – Chief Medical OfficerTony Holohan estimated that up to 500,000 people (10% of Irish population) contracted COVID-19 in the previous week.[10]
12 January
A further 20,909 cases and 83 deaths were reported, bringing the totals to 1,042,212 cases and 6,035 deaths.[11]
The Government approved changes to isolation periods for close contacts and those who test positive for COVID-19, which would take effect from 14 January.[12]
15 January – Positive antigen tests started to be reported, after the HSE launched a new website to log positive antigen tests.[13]
19 January
A further 6,843 PCR-confirmed cases and 5,295 positive antigen tests, along with 52 deaths were reported, bringing the totals to 1,122,428 cases and 6,087 deaths.[14]
The Government agreed a plan to give frontline healthcare workers a once-off €1,000 tax free payment for their work during the pandemic and also agreed on an extra public holiday on 18 March in remembrance of people who died due to COVID-19.[15]
21 January – TaoiseachMicheál Martin announced the easing of almost all COVID-19 restrictions from 6am on 22 January, with the requirements of vaccine certificates and social distancing to end, restrictions on household visits and capacity limits for indoor and outdoor events to end, nightclubs to reopen and pubs and restaurants to resume normal trading times, while rules on isolation and the wearing of masks would remain.[16]
26 January – A further 5,605 PCR-confirmed cases and 4,809 positive antigen tests, along with 49 deaths were reported, bringing the totals to 1,159,271 cases and 6,136 deaths.[17]
28 January – The Department of Health confirmed that daily COVID-19 figures would no longer be released at weekends.[18]
29 January – The Novavax vaccine was approved for use as Ireland's fifth COVID-19 vaccine.[19]
17 February – The National Public Health Emergency Team (NPHET) recommended that the requirement to wear masks in most areas, where currently regulated, should end, while Chief Medical OfficerTony Holohan proposed that the NPHET be disbanded and replaced with a smaller monitoring group.[22]
22 February – The Government agreed to end almost all remaining COVID-19 restrictions from 28 February, with mask wearing in schools, indoor retail settings and on public transport to be voluntary, restrictions in schools to end and testing to be scaled back.[24]
28 February – The Department of Health had confirmed 1,300,422 cases and 6,497 deaths by the end of February.[25]
5 March – Minister for HealthStephen Donnelly announced that the requirement for vaccination certificates and passenger locator forms for those arriving into Ireland would end from midnight, to make it easier for Ukrainian refugees to enter the country.[27]
8 March – Latest figures showed that the number of people with COVID-19 in hospitals rose by over 30% in the last week, with Minister for Health Stephen Donnelly saying the numbers were creating a "very heavy burden" on hospitals.[28]
17 March
Celebrations took place across the country to mark St Patrick's Day, following a two-year absence due to COVID-19, with around 400,000 people attending festivities in Dublin.[29]
20 March – Events were held across the country to mark a national day of remembrance and reflection in honour of the more than 6,600 people who died from COVID-19.[31]
21 March – Ireland entered a new wave of the Omicron variant, as latest figures showed that 63,954 people had tested positive for COVID-19 since St Patrick's Day, while hospitalisations were at its highest level in nearly a year at 1,308.[32]
22 March – The World Health Organization said Ireland was among some countries that eased restrictions too "brutally" and were now seeing a spike in cases as a result.[33]