• Question: how long does it take you to figure out if someone has tb or not

    Asked by chelseab to Emma on 14 Nov 2016.
    • Photo: Emma Roycroft

      Emma Roycroft answered on 14 Nov 2016:

      Good question. We have different techniques to do this. Before, it would have taken up to 6 weeks to grow TB in the lab. Now we can search for TB DNA within a sputum sample and tell the person is infected in just a few hours.

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