回複：乙肝疫苗要打3次, any where is fine, keep your record.

1st shot-
2nd shot-1 month late請問：乙肝疫苗要打幾次？是在那打都行麽？
3rd shot-6 month late. if you are an adult.

for kids may have two shot, if you live in Maryland or see regulation in your state.

Read as follows:

Two doses of Hepatitis B vaccine is acceptable only if the student was vaccinated with the Merck & Co. brand vaccine
RecombivaxTM HB Adult Formulation. RecombivaxTM HB Adult Formulation vaccine is licensed for use in adolescents
11 - 15 years of age as a two-dose series.