Abstract
In these two cases, the authors observed the development of active TB after a period of COVID recovery. Two patients who were admitted to the hospital complained mainly, among other symptoms, of fever and a continuous cough after a period of COVID-19 recovery. Radiological examination revealed a caving density in the two cases, and the Gene-Xpert test proved the presence of Mycobacterium tuberculosis bacteria despite the negative result of the Ziehl-Neelsen stain. The two patients were improved after standard TB treatment. Patients with post-COVID-19 chronic respiratory symptoms should be screened for TB, especially in TB-endemic areas, even though the result of the Ziehl-Neelsen stain was negative.
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