Perth school are self-isolating after another student tested positive for COVID-19. The pupils will self-isolate until September 2, which will be 14 days after the last contact.A wider school communication has also been issued and the school remains open.Warning that litterbugs are putting animals at riskDr Daniel Chandler, associate director of public health said, “Parents of the wider school and nursery population have been reassured that if they have not been contacted individually, their child has not been identified as a contact of a case.