American community survey is the largest household survey administered by United States Census Bureau. It was launched by U.S. Census Bureau in year 2005 to help make the collection of detailed information more efficient and more timely. A survey can be defined as a research method used for collection of data( detailed information). The American community survey helps in collection of these detailed information from households more efficiently and on time.
Vaccines protect travelers from serious diseases. Depending on where you travel, you may come into contact with diseases that are rare in the United States, like yellow fever. Some vaccines may also be required for you to travel to certain places.