In the USA you cannot require employees to be vaccinated against Hep B.
If employees may be exposed to Hep B as part of their job, you should offer them the choice to be vaccinated or not,
A consent/refusal form should be completed for any employee that may be exposed as part of their job description.
Numerous examples of consent/refusal forms exist. Google it or contact your HR Department, they should have the necessary form.
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