EXPAT FAQ
https://www.easyexpat.com/en/faq.htm
Which visa for an internship in the U.S.?
A priori it is only a J-1 status to do an internship, and eventually be paid (Form DS-2019 to complete.)
For a volunteer job, there is no need for this type of visa. A tourist visa will do e.
In all cases we recommend to inquire at the Consulate of the United States because there may be specific requests in terms of