evidence: People over age 60 and those with existing medical conditions have a higher risk of getting seriously ill. These conditions include high blood pressure, diabetes, obesity, immunosuppression including HIV, cancer and pregnancy. Unvaccinated people also have a higher risk of severe symptoms. [...] - muscle aches and heavy arms or legs - severe fatigue or tiredness - runny or blocked nose, or sneezing - headache - sore eyes - dizziness - new and persistent cough - tight chest or chest pain - shortness of breath - hoarse voice - numbness or tingling - appetite loss, nausea, vomiting, abdominal pain or diarrhoea - loss or change of sense of taste or smell - difficulty sleeping. [...] People who have pre-existing health problems are at higher risk when they have COVID-19; they should seek medical help early if worried about their condition. These include people taking immunosuppressive medication; those with chronic heart, lung, liver or rheumatological problems; those with HIV, diabetes, cancer. obesity or dementia.