J1 medical requirements for entering USA from India

Could you please provide me with information on the following: • Are there any specific medical tests or vaccinations required for J-1 visa holders travelling to USA from India at the airport CBP check? • Are there any particular health insurance requirements that I need to meet? • Are there any additional medical documents that I need to provide as part of CBP check I would greatly appreciate any guidance or information you can provide regarding the medical requirements for J-1 visa holders to USA from India