The United States remains a desirable country for many people from Mexico and other countries in search of a better quality of life for their families. Obtaining the United States Visa is usually a lengthy process, and you’ve to take an immigration medical exam in order to get a visa, depending on which Visa you are applying under.

https://cmimedical.wordpress.com/2020/03/24/how-to-prepare-for-the-usa-immigration-medical-exam/