28,000 children presented for PCR testing in the last 7 days.
The INTO is calling for the government to set up a public awareness campaign to help stop the spread of Covid-19 in schools.
The HSE's testing and tracing system is under pressure after 28,000 children presented for PCR tests in the past seven days.
Many pupils have been told to stay at home, after Covid outbreaks in classrooms led to a large number of 'close contacts'.
General Secretary of the INTO, John Boyle says teachers are reporting some children coming to school with symptoms:
John Boyle says a large-scale public awareness campaign would help prevent the spread of Covid-19 in schools
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