However, if your visa says that it is valid indefinitely, you should apply for a new visa, or travel under the Visa Waiver Program (VWP) if eligible as all indefinitely-valid visas are now obsolete. See further down this page.
Actually, no. You can't get TB by touching an infected person. Tuberculosis germs don't stick to clothing or skin; they hang out in the air. You also can't get TB by: 1  Giving an infected person a hug or a kiss. 2  Using the same toothbrush.3  Eating or drinking after an infected person.ou can't get TB by touching an infected person. Tuberculosis germs don't stick to clothing or skin; they hang out in the air. You also can't get TB by: 1  Giving an infected person a hug or a kiss. 2  Using the same toothbrush.
How to Take the Medicines? TB germs die very slowly. You need to take several different pills at different times of the day for 6 months or longer. The only way to get rid of the germs is to take your TB medicines the way your provider has instructed. This means taking all of your medicines every day. If you do not take your TB medicines the right way, or stop taking the medicines early: 1  Your TB infection may become worse. 2  Your infection may become harder to treat. 3  You may need to take other medicines that cause more side effects and are less able to remove the infection. 4  You may spread the infection to others.