At present, Class A infectious diseases are plague and cholera, which are still the most harmful infectious diseases. However, with the strict control of Class A infectious diseases, these two infectious diseases have been well controlled, and there has been no regional epidemic for many years. COVID-19, which is now prevalent in the world, is the most harmful infectious disease in China and even in the world, with the largest number of deaths and the most serious impact on people's lives.
Classification of Infectious Diseases According to the Law of People's Republic of China (PRC) on the Prevention and Control of Infectious Diseases, infectious diseases are divided into three categories: Class A, Class B and Class C, in which Class A includes plague and cholera, and Class B includes 26 infectious diseases.
Among them, the state manages atypical pneumonia, pulmonary anthrax, human infection with highly pathogenic avian influenza and polio according to Class A infectious diseases, that is, adopts Class A reporting system and control measures to control them in Class B infectious diseases.
With novel coronavirus raging around the world, China listed this infectious disease as Class B infectious disease and controlled it as Class A infectious disease as early as the beginning of 2020. In fact, the whole country cooperated with Qixin governance, and the effect was very envied and praised by the world.
What are the main symptoms of COVID-19? The main manifestations are fever and fatigue, and the respiratory symptoms are mainly dry cough, and breathing difficulties gradually appear.
COVID-19 has made rapid progress, and severe cases show symptoms of acute respiratory distress syndrome, namely dyspnea, persistent hypoxemia, septicemia, metabolic acidosis, bleeding and coagulation disorders. Some patients have mild symptoms or even no fever; Most cases were mild to moderate, with good prognosis, and a few cases were serious or even died.
How do individuals do a good job in COVID-19 protection? 1, keep your hands clean, especially when touching anything, wash your hands in seven steps, wash your hands before meals, and thoroughly clean and disinfect your cough, secretions and articles in time.
2. Keep the indoor air circulating, disinfect the air regularly, don't go to crowded public places, keep a distance from people, and wear masks when going out.
3. When coughing or sneezing, cover your nose and mouth with a sterile paper towel or elbow flexion to avoid the spread of droplets. Don't rub your eyes often.
4. Wear a mask to accompany your family to the hospital to avoid infection.
5. Disinfect (cook) household tableware once a day, especially raw and cooked food chopping boards, and treat and place them separately from knives. It is best not to eat wild seafood products on the family table in the near future.
6. Domestic garbage should be disposed of in time, and the garbage of the day should be discarded in the sorting trash can.