We all know a common sense, that is, if you are bitten by a dog, you need to get a rabies vaccine in time. Because the incubation period of rabies is very long, sometimes it can last more than twenty years. There are no signs before the onset of the disease, but after the onset of the disease, people will become like animals and there is no way to reverse it. Rabbits are also a kind of animals. Some people like to play with rabbits when they have nothing to do. But if you are bitten by a rabbit, do you need to go to the hospital for vaccination? No, because rabbits do not eat meat like cats and dogs. Rabbits eat very simple food, just grass, rabbit food and water, so they do not carry any bacteria. Vaccines refer to biological products made from various pathogenic microorganisms for use in vaccination. Among them, vaccines made with bacteria or spirochetes are also called vaccine. There are two types of vaccines: live vaccines and killed vaccines. Commonly used live vaccines include BCG, polio vaccine, measles vaccine, plague vaccine, etc. Commonly used inactivated vaccines include pertussis vaccine, typhoid vaccine, meningococcal vaccine, cholera vaccine, etc. The production time for different vaccines varies, and some vaccines may take 22 months to produce a batch. Vaccine development is a long, complex and costly process. Vaccination is the most economical and effective public health intervention measure to prevent and control infectious diseases. It is also an effective means for families to reduce the incidence of diseases among family members and reduce medical expenses. It is estimated that immunization prevents 2 to 3 million deaths each year from diphtheria, tetanus, whooping cough and measles. Global vaccination coverage (the percentage of children worldwide who receive recommended vaccines) has remained stable over the past few years. Vaccines are auto-immune preparations used to prevent infectious diseases that are made by artificially attenuating, inactivating, or genetically modifying pathogenic microorganisms (such as bacteria, rickettsia, viruses, etc.) and their metabolites. Vaccines retain the ability of pathogens to stimulate the animal's immune system. When an animal comes into contact with this harmless pathogen, its immune system will produce certain protective substances, such as immune hormones, active physiological substances, special antibodies, etc.; when the animal comes into contact with this pathogen again, its immune system will follow its original memory and produce more protective substances to prevent the pathogen from causing harm. type Vaccines are generally divided into two categories: preventive vaccines and therapeutic vaccines. Preventive vaccines are mainly used to prevent diseases, and the recipients are healthy individuals or newborns; therapeutic vaccines are mainly used for sick individuals, and the recipients are patients. According to tradition and custom, it can be divided into live attenuated vaccines, inactivated vaccines, antitoxins, subunit vaccines (including polypeptide vaccines), vector vaccines, nucleic acid vaccines, etc. |
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