I remember the first time I traveled outside the US, I got a series of vaccine – including a Hepatitis A vaccine. I do not recall ever seeing a warning about travel within the US – go figure.
Indiana health officials are advising residents to get vaccinated for hepatitis A if their summer plans include

A vaccine for all employees is good for customers and good for business.
Employees at two local Louisville, Kentucky businesses have been diagnosed with Hepatitis A.
Ill employee prompts Kroger to vaccinate employees but not customers.
An employee who worked at the Lancaster restaurant Al-E-Oops and the Brookdale Williamsville Senior Living Facility may have exposed 346 patrons and nursing home residents to hepatitis A. The contagious liver virus can be transmitted through contaminated food and water and close contact with an infected person.
Yesterday, the Salt Lake County Board of Health amended Health Regulation #5: Food Sanitation to require hepatitis A vaccination for all food workers in an establishment when anyone working in that establishment has been in contact with someone infected with hepatitis A. This amendment is in response to Salt Lake County’s ongoing hepatitis A outbreak
I have been advocating this fo a very, very long time.
Monroe County Health Department (MCHD) has confirmed a second case of Hepatitis A in an individual who works at a local restaurant. MCHD is providing information to alert residents
The U.S. Food and Drug Administration has issued an Import Alert over hepatitis A found in raw, frozen tuna from Sustainable Seafood Co. Ltd. in Can Lam, Vietnam, and P.T. Deho Canning Company in North Sulawesi, Indonesia.