works. The public health team at NHS Greater Glasgow and Clyde (NHSGGC) say there has been a sharp spike in testing requests, particularly from parents worried about their children.Dr Linda de Caestecker, director of public health, has reminded people of the symptoms to look out for and who needs to be tested.She said: “In order to ensure we do everything we can to prevent a rise in cases, we need to remind people how the testing system works.“Firstly, only people who are symptomatic need a test unless you are explicitly asked to get a test by public health as part of the management of an outbreak.“The symptoms are the onset of a persistent cough, a temperature or fever or a loss of taste or smell.“You only need one of these to be.