Novel coronavirus and novel coronavirus, a new type of acute respiratory infectious disease, have appeared since February 20 19 in Wuhan, Hubei Province. They have been listed as Class B infectious diseases in the Law of People's Republic of China (PRC) on the Prevention and Control of Infectious Diseases, but they are managed as Class A infectious diseases. According to official reports, novel coronavirus started from February 20 19 to 65438+February. According to a study published online by the international medical journal The Lancet on June 24, the first confirmed patient in novel coronavirus became ill from February 20 19 to February 1 year.

COVID-19's symptoms:

First, COVID-19's patients are mainly characterized by fever and low fever in the early stage. The patient's body temperature is generally above 37 degrees Celsius, with symptoms such as stuffy nose, runny nose, sneezing and sore throat. In addition to the above symptoms, patients will also be accompanied by fatigue, dry cough and other clinical manifestations.

Secondly, if some COVID-19 patients are not found to have obvious symptoms such as fever and cough, their symptoms are mainly digestive system diseases, such as mild anorexia, fatigue, poor spirit, nausea and vomiting, diarrhea and so on.

Thirdly, because COVID-19 virus will flow to various organs of human body with blood, the early symptoms of COVID-19 still have symptoms of nervous system and cardiovascular system, such as headache, palpitation and chest tightness.