If the dog is over 12 weeks it will a need second vaccination 2 — 5 weeks later. (celiahammond.org)
Sun's study found that children given the vaccine had a six-fold increased risk of a febrile seizure on the day of their first vaccination (given at three months) and a four-fold increased risk on the day of their second vaccination (given at five months). (scientificamerican.com)
The monkeys were then divided into two groups, where they then received the second vaccination component consisting of two different viral vectors via different routes. (sciencedaily.com)