With the shift to AppleCare+, Genius Bar staff will no longer have the option of offering free replacements, so customers who have been aware of Apple's informal replacement policy should be mindful of the change.
Prevention of TB involves both early treatment to reduce transmission and isolation of the infected person until they are no longer contagious. There is a vaccine against TB, but it is not used routinely in the U.S. because of efficacy issues and other problems.
With TB infection: You cannot pass TB germs to other people. You can go to work and school. You will need to stay on medicine so you donât get TB disease. You will need to stay on the TB medicine for 3, 6, or 9 months, depending on what your doctor thinks is best for you.