Cowpox is planted to prevent the disease smallpox. Smallpox is a virulent infection caused by the smallpox virus. It can be transmitted mainly through droplets or direct contact. Cowpox is a symptom of smallpox virus infection in cattle. Cowpox vaccination refers to the vaccination of human body with cowpox vaccine, which can stimulate the body to produce antibodies against smallpox virus, thus achieving the effect of prevention. However, due to the wide spread of cowpox vaccine, smallpox is now an infectious disease that has long been extinct, so with the extinction of smallpox disease, smallpox vaccine is no longer used. It should be noted that smallpox, as a virulent infectious disease, mainly manifests itself as high fever, malaise, and a sharp rise in body temperature. The appearance of herpes or pustules on the skin in batches and so on. If the above conditions occur. Regardless of whether it is a smallpox virus infection or not, you should immediately seek medical attention for treatment.