USA is the country that has minimum restrictions as far as "Already Issued Visa" is concerned. Those having valid B1/B2 visa can travel to USA for any purpose classified in B1/B2. There are no special restrictions to B1/B2 Visa due to Covid 19 at present. However you should travel if you have a legitimate reason, Pure tourists can travel because there is no restriction for them but it is does not look a legitimate reason according to us. You can also even travel to Canada and other countries via USA in transit if you have a USA B1/B2 Visa, provided Canada or that other country allows you to enter based on visa you have for it.
USA F1 (Students) Visa Holder can travel if they have a written letter from University that physical presence of Student is required in USA.
If you have other type of visa please contact us.
However Health restrictions are in place that one needs to take care while selecting airline route.
USA Health Restrictions
If you have visited European Countries, United Kingdom, China, Iran, Brazil or even transited from any of these Countries even without leaving the Airport in Last 14 Days you will not be allowed to enter USA.
This health restriction is not applicable to USA Citizen, USA Green Card Holders and their spouse and their unmarried child below 21 years.
There is a relaxation to this rule to Student's Visa Holder (F1) and Immigrant Visa Holders. (Students and Immigrants Must Please refer latest update on below link)
Please refer below Official link for further information and latest updates.