Long COVID is a range of symptoms that can last weeks or months after first being infected with the virus that causes COVID-19 or can appear weeks after infection. People with long COVID report experiencing different combinations of symptoms like tiredness or fatigue,difficulty thinking or concentrating (sometimes referred to as “brain fog”), headache, loss of smell or taste, dizziness on standing , fast-beating or pounding heart (also known as heart palpitations), chest pain, difficulty breathing or shortness of breath , cough ,joint or muscle pain, depression or anxiety ,fever. Long COVID can happen to anyone who has had COVID-19, even if the illness was mild, or they had no symptoms.