Pneumonic plague

Pneumonic plague is a type of plague. It is a Class A infectious disease specified in the Law of the People's Republic of China on the Prevention and Control of Infectious Diseases. It is divided into two types: primary and secondary. Critical symptoms of systemic poisoning and respiratory infections. And the mortality rate is high. Clinically, acute lymphadenitis is the most common, followed by sepsis, pneumonia, meningitis, and cutaneous plague. Symptoms of plague were first recorded in 1348 by a Florentine named Bocaccio: the initial symptoms were lymph lumps in the groin or underarms, and then herpes on the arms and thighs and other parts of the body appeared blue This is why the Black Death got its name. Very few people survive, and almost all patients die within 3 days, usually without fever.