Get the stories that matter to you sent straight to your inbox with our daily newsletter.Two classes at a Wishaw primary school have been sent home and asked to self-isolate after two pupils tested positive for Covid-19.NHS Lanarkshire is working closely with North Lanarkshire Council with regards to the cases and is in the process of contacting close contacts who may be affected.The health board’s test and protect team will continue to contact anyone who may be affected and provide public health advice.However, as a precautionary measure, pupils in a primary three and primary five class as well as four staff members are being asked to self-isolate for 14 days.In a letter to parents, NHS Lanarkshire Public Health Consultant Ashley.