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.
National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention. Division of Tuberculosis Elimination. What You Need to Know About Your Medicine. for Latent Tuberculosis (TB) Infection. ISONIAZID. You have been given medicine to treat your latent TB infection. You do not have. TB disease and cannot spread TB to others. This medicine will help you PREVENT. getting TB disease.