According to WHO statistics, 80% of the "Yangkang" people will have sequelae of COVID-19, which generally last for more than 2 months. The five most common symptoms are fatigue (58%), headache (44%), attention disorder (27%), hair loss (25%) and difficulty breathing (24%). Others

According to WHO statistics, 80% of the "Yangkang" people will have sequelae of COVID-19, which generally last for more than 2 months. The five most common symptoms are fatigue (58%), headache (44%), and attention disorder (27 %), hair loss (25%) and dyspnea (24%). Others include loss of taste and smell, nausea and vomiting, mental disorders, chronic cough, myalgia, etc., as well as renal failure, myocarditis, etc. [56-57].

Illustration: Common COVID-19 sequelae

It is worth noting that the COVID-19 sequelae have a relatively greater impact on the elderly and young people[57]

Only by actively responding to the COVID-19 sequelae can the COVID-19 not leave "hidden dangers".

The most common: chronic fatigue syndrome

Chronic fatigue syndrome is a sequelae of COVID-19 that most people will experience. Specific symptoms include sensitivity to light, headache, swollen and painful lymph nodes, fatigue and weakness, muscle and joint pain, inability to concentrate, insomnia, forgetfulness and depression, etc. [58]. These symptoms do not arise out of nowhere. Imaging research has proven that Yangkang patients do have problems with their muscles, nerves, joints, soft tissues, and bones [59], so they "short of breath when walking around"