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abstractpubmed· Abstract 2020· item PMID:32667283

Four Patients with COVID-19 and Tuberculosis, Singapore, April-May 2020. Coronavirus disease (COVID-19) and tuberculosis (TB) developed in 4 foreign workers living in dormitories in Singapore during April-May 2020. Clinical manifestations and atypical radiographic features of COVID-19 led to the diagnosis of TB through positive interferon-gamma release assay and culture results. During the COVID-19 pandemic, TB should not be overlooked.