What are the symptoms after COVID-19 infection (so-called sequelae)?

Symptoms after the disease of COVID-19 infection (so-called sequelae) are symptoms that persist immediately after the disease, even though the infection has disappeared, and symptoms that occur again after the symptoms disappear.
Typical symptoms include fatigue / malaise, joint pain, muscle pain, cough, sputum, shortness of breath, chest pain, hair loss, memory loss, reduced concentration, headache, depression, smell disorder, taste disorder, palpitations, diarrhea, abdominal pain, sleep disorder, muscle weakness, etc.