“it may be just out of an abundance of caution and privacy. certainly, staying a little longer may imply that this is a little bit more of a complex situation.”. and prevention says hepatitis a is a vaccine-preventable, communicable disease of the liver caused by a virus. it is usually transmitted person-to-person or by consuming..[email protected]. as for the assumption that fresh is healthiest, it turns out that frozen produce can pack a punch when it comes to nutrition..