First, common infectious diseases
According to the main transmission routes of infectious diseases, they are divided into the following categories:
1. Intestinal infectious diseases: cholera (No.2 disease), dysentery, typhoid fever, hepatitis A, hepatitis E, polio, infectious diarrhea, etc.
2. Respiratory infectious diseases: SARS, tuberculosis, influenza, measles, meningitis, mumps, daytime cough, diphtheria, scarlet fever, rubella, etc.
3. Blood-borne infectious diseases: hepatitis B, hepatitis C, hepatitis D, AIDS, etc.
4. Insect-borne and natural infectious diseases: plague, rabies, leptospirosis, Japanese encephalitis, malaria, dengue fever, leishmaniasis, etc.
5. Others: anthrax, brucellosis, acute hemorrhagic conjunctivitis (pink eye), etc.
Second, the basic characteristics of infectious diseases
1, pathogens: including bacteria, viruses, rickettsia, spirochetes, protozoa, worms, etc.
2. Infectious: Patients with infectious diseases must be treated in isolation;
3. There are epidemiological characteristics: the onset time, area and population of different infectious diseases have their own distribution characteristics;
4, there is post-infection immunity: after the human body is infected with pathogens, the body will produce corresponding antibodies to resist the same pathogens.