About B2 Visa: Visitor visas are nonimmigrant visas for persons who want to enter the United States temporarily for Tourism or Medical treatment. These visas can be used for the following purposes:

• Tourism,
• Vacation (holiday),
• Visit with friends or relatives,
• Medical treatment,
• Participation in social events hosted by fraternal, social, or service organizations,
• Enrollment in a short, recreational, non-credit course of study toward a degree (for example, a two-day cooking class while on vacation).