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Identification of likely persister populations in sputum samples. (a) Sputum samples obtained from TB patients were infected with Φ2DRM9 and analyzed by flow cytometry. Phage Φ2GFP10 was used as an infection control. (b) Plot representing the fractions of mVenus+ tdTomato+ populations in sputum samples of TB patients at the time of disease presentation and after 2 weeks of TB treatment.
