1, the common gram-positive bacteria are: staphylococcus, streptococcus, pneumococcus, anthrax, diphtheria, tetanus, etc.
2. Common Gram-negative bacteria are Escherichia coli, Proteus, Shigella, Pneumonia, Brucella, Clostridium perfringens, Typhoid Bacillus, Pseudomonas aeruginosa, Bordetella pertussis, Vibrio cholerae, Meningococcal, Haemophilus influenzae, Parainfluenza (Haemophilus), Moraxella catarrhalis, Acinetobacter, Yersinia and Legionella pneumophila.
3. Common epidemic viruses include hepatitis A, influenza A, avian influenza, SARS, hand, foot and mouth disease, trachoma, pinkeye, tetanus and bacillary dysentery.
4. Common infectious parasites are: scabies, mites, lice, gonorrhea, syphilis, ascariasis, ascariasis, schistosomiasis, etc.