Denbigh High School has told 106 pupils to self-isolate following a student's contact with a confirmed Coronavirus case.
Denbighshire council said a total of 106 pupils from Year 11 and those travelling on a school bus had been asked to self-isolate for 14 days until September 30.
The school wrote to all parents and guardians yesterday, 22 September, informing them of the position.
Parents and guardians were also advised to remain alert for the main symptoms of coronavirus such as a new or continuous cough, a high temperature and a loss of, or change to, sense of smell or taste.
Those advised to self-isolated should book a coronavirus test if they develop any of these symptoms, even if they are mild.
Advice requires those self-isolating to stay at home, not to go outdoors to exercise, to visit shops, family or friends, or to other public spaces.
If children remain well, they can return to school on Thursday, October 1.
Councillor Huw Hilditch-Roberts, cabinet Lead Member for Education, Children, Young People and Public Engagement, said:
“We are working closely with the school and Public Health Wales as well as NHS Wales Test, Trace and Protect to ensure that all the appropriate measures are in place to protect pupils, staff and the wider community.
“We are urging parents and guardians to remain vigilant and to request a test if their child presents any symptoms.”
Further information on Test, Trace, Protect can be found here.
A test can be booked by phoning 119 or online: here.
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