There are no vaccination requirements for visitors entering the US; Loren has posted general vaccination schedules recommended by the CDC for people living in the US (and possibly, as a guideline for others).
However, for traveling to the US, there are no vaccination requirements, as stated plainly at the CDC website:
CDC Travelers’ Health provides information and health recommendations
for US residents traveling internationally. If you live outside the
United States and plan to travel here, please check resources in your
own country for travel health information.
There are no vaccination requirements for visitors to the United
The Centers for Disease Control and Prevention (CDC) is the federal agency that oversees things like vaccinations and disease outbreaks throughout the US. They also provide guidelines for vaccination and preventive measures for dealing with diseases.