To coincide with the reopening of primary and secondary schools, the Department of Education has drawn up guidance for parents.
It sets out the circumstances which prevent a child or teenager from attending school; what symptoms of Covid-19 to look out for; and what to do if a child is unwell.
This guide is based on advice from the World Health Organization and the European Centre for Disease Prevention and Control.
It says while every year schoolchildren get colds, flu and other infections, this year schools have to contend with coronavirus as well. Do go to school when... The guidance says it is ok to send a child to school if they only have nasal symptoms, such as a runny nose or a sneeze or if they do not have a cough.