Generally speaking, information about vaccination can be found on the day or the next day. The reason why some people can't find vaccination information on the health code after vaccination may be that the input information is delayed or wrong. If you can't find vaccination information, the best way is to contact the CDC.
CDC can contact the hospitals with centralized vaccines at the first time, and then inquire about the information of vaccinators, so that vaccination information can be displayed in COVID-19 vaccine health code in time.
Vaccine effect:
After the attenuated virus is injected into the body, the corresponding antibodies produced by the immune system of the body last for about 1 year. It is relative antibodies that can protect each other from viruses, not anything else. No one can absolutely guarantee that vaccination can guarantee the acquisition of relative antibodies, and there are many reasons for immune failure! Even if the antibody is successfully produced, it may not be guaranteed that the dog will not be infected by the virus. (poor ability to resist virus mutation, strong virus, etc.). )
The vaccine must be inoculated under healthy conditions, otherwise it is not easy to produce antibodies! Even induce vaccine bacterial infection) puppy vaccine is to measure the condition of puppies after 45 days. Consider the first shot, the second shot 7-2 1 day after the first shot, and the third shot of rabies vaccine 7-2 1 day. A year later, a combined vaccine and a rabies vaccine will be made every year.
Baidu encyclopedia-vaccine