Coronavirus is on the rise during Scotland's third lockdown with thousands of people being tested positive every day. Those who have Covid-19 symptoms are urged to book a test - but can asymptomatic people get one too?In Scotland, anyone who is self-isolating because they are showing signs of the virus should book a test, including a continuous cough, high temperature and loss smell or taste.The test is currently only reliable for those who have symptoms, meaning those aren't showing signs of the virus should not get one.You need to get the test done in the first five days of having symptoms - this allows you the best chance of preventing the spread of coronavirus to others.