How effective is the hepatitis B vaccine, and who should receive it?

The hepatitis B vaccine is highly effective, offering around 90% protection against the virus. It is recommended for:

1. Infants: Usually given shortly after birth.

2. Children and Adolescents: Often included in routine childhood vaccination schedules.

3. Adults: Particularly those at higher risk, such as healthcare workers, people with chronic liver disease, individuals with multiple sexual partners, or those who inject drugs.

Overall, the vaccine is a key measure in preventing hepatitis B infection.