Which statement is true about risks associated with vaccines and vaccine-preventable diseases?

The statement that international travelers import many cases of vaccine-preventable diseases into the United States each year is supported by data showing that globalization and travel significantly contribute to the spread of infectious diseases. Travelers can carry infections that are more prevalent in their countries of origin, especially if they are visiting regions where certain vaccine-preventable diseases are still common. This emphasizes the importance of vaccination not only for individual protection but also for public health.

The rise in international travel has led to instances where diseases such as measles and hepatitis A, which are largely controlled in the U.S. due to high vaccination rates, can resurface when imported by travelers. Consequently, for maintaining herd immunity and preventing outbreaks, vaccination programs often target not just the domestic population but also take into account those who travel internationally.

Understanding this aspect of vaccine-preventable diseases is crucial for healthcare professionals, as it underscores the importance of pre-travel vaccination recommendations and the ongoing need for vigilance against infectious diseases that could re-enter the population through traveling individuals.