J2 dependent visa is issued to the spouse and unmarried minor child of a J1 Exchange Scholar in the USA. The J2 dependent must have their own Form DS-2019 which can be obtained from International Student and Scholar Services (ISSS) by the J1 visa holder.
Dependents of J1 exchange scholar must apply for J2 visa stamp at the Embassy or Consulate of the USA overseas (except Canadian citizens).
J2 visa holder have to follow the same travel and reentry procedure as the J1 visa holder. The J2 visa insurance is designed for short term stay in the US and can be purchased before or after arrival in the USA.