Research Nurse Julia Amsterdam examines an infant who is participating in a TB vaccine clinical trial. “I just want to see that someday South Africa is TB free or there is a very small percentage of people with TB,” she said. “It’s obvious that the BCG, the vaccine that we are currently using, is inadequate because all the babies in South Africa get the BCG vaccination at birth, and some still get TB when they’re in contact with people that have TB.”

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