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The teachers and schools also have the right to privacy, she said.
He said teachers would also get extra training to make them feel as happy as possible about being back at school, due to their own anxiety about being back at work.
She said that only 3% of the children at the Red Cross Children's Hospital tested positive for Covid-19.
Journalists were told that of the 1 787 cases of Covid-19 confirmed in children by June 5, 1 537 were reported before May 29, when schools were still closed.
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McCulloch urged teachers to be aware of the anxiety of the Covid-19 pandemic, and to be available to listen to school children when they return if they have problems.