Rabies vaccine dose 2 will not normally have much effect if it is delayed by 1 day. The rabies vaccine should be given as the first injection after the first dog bite, one injection on each of the 3, 7, 14 and 28 days after the bite, for a total of five injections, and one booster active immunization on the day after the bite or on the third day if you have received active immunization before. Because of the high incidence of rabies and the lack of obvious medication and treatment, the mortality rate can reach 100%. Therefore, rabies vaccinations must be administered carefully, strictly and regularly, in accordance with the doctor’s or the vaccination process, and never blindly change the date of injection to prevent the possibility of rabies caused by the replication and reproduction of the rabies virus after the vaccine has expired.