Expansion: Plague is an infectious disease caused by Yersinia pestis, which has caused many large-scale epidemics and deaths in history. Yersinia pestis is mainly transmitted to humans by biting infected rodents (such as rats and rabbits), and can also be transmitted through air or contact with infected patients and animals. The main symptoms of plague include high fever, headache, muscle pain, dyspnea, swollen lymph nodes and ecchymosis of skin. In severe cases, it will cause complications such as sepsis and pneumonia.
symptom
Plague broke out many times in history, the most famous of which was the Black Death in14th century. It is estimated that about13 of the population in Europe died of the plague at that time. Modern medicine has mastered the prevention and treatment methods of plague, including the use of antibiotics, strengthening health and epidemic prevention, and controlling rodents. Although the outbreak of plague in modern society has been effectively controlled, plague is still a serious public health problem in some areas and people.