Final answer:
The HBV vaccine is given on a specific schedule to ensure maximum protection against Hepatitis B. The standard schedule includes two doses for children and is also recommended for adults at higher risk. It is important to follow the schedule and receive all necessary doses.
Step-by-step explanation:
The HBV vaccine, which is used to prevent Hepatitis B, is given on a specific schedule to ensure maximum protection. According to the Centers for Disease Control and Prevention (CDC), the standard vaccination schedule for HBV includes two doses for children: one at birth and the second by 18 months of age. For adults at higher risk, such as those with certain diseases or who engage in high-risk behaviors, the vaccine is also recommended. It is important to follow the schedule and receive all the necessary doses for optimal protection against HBV.