What is long COVID? Most people with COVID-19 feel better within a few days or weeks of their first symptoms and make a full recovery within 12 weeks.For some people, symptoms can last longer. This is called long COVID or post COVID-19 syndrome. Long COVID is a new condition which is still being studied.Read about long COVID research studies on the National Institute for Health and Care Research (NIHR) website. Information: You can sign up to take part in long COVID research on the Be Part of Research website Symptoms of long COVID The most common symptoms of long COVID are:extreme tiredness (fatigue)feeling short of breathproblems with your memory and concentration ("brain fog")heart palpitationsdizzinessjoint pain and muscle achesHowever, there are lots of symptoms you can have after a COVID-19 infection, including:loss of smellchest pain or tightnessdifficulty sleeping (insomnia)pins and needlesdepression and anxietytinnitus, earachesfeeling sick, diarrhoea, stomach aches, loss of a...