Children in third class and above have to wear masks in school from today onwards.
The government's also calling for less indoor socialising among under-12s for the next two weeks, after a sharp increase in Covid cases.
There were over 18,200 among under-18s in the fortnight to Sunday - compared to just over 13,700 in the previous two weeks.
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Cuts to the Employment Wage Subsidy Scheme take effect today - despite the recent announcements of more restrictions.
Many employers will get almost €150 lessper week to help pay the wages of each staff member.
There were subsidies of up to €350 a week - but they're now capped at €203.
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Nearly 18,000 more Covid cases were reported last month than during the previous peak in January.
Almost 123,000 were confirmed during November - compared to less than 105,000 in January.
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It's estimated that more than 7,000 people in Ireland are living with HIV today, about 15% of that number don't know that they have HIV.
A study published by the Sexual Health Centre in Cork to coincide with World AIDS has shown that misinformation regarding HIV is still prevalent.