Besides preventing illness and death, tuberculosis prevention therapy is estimated to be highly cost effective.Yet, uptake of the medication is not what it could be in South Africa. Spotlight looks at how much has changed since the Department of Health decided to make TB prevention therapy more widely available.Many people who have the TB bug in their lungs are not ill with the TB disease. Having the bug in your body, does mean however that you are at risk of falling ill, should the TB bacteria get the overhand in its battle with your immune system.Fortunately, we have…