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50.9 MB (19.6 MB compressed)
4902 x 3629 pixels
41.4 x 30.7 cm ⏐ 16.3 x 12.1 in (300dpi)
NIGEL DOWNER / SCIENCE PHOTO LIBRARY NIGEL DOWNER / SCIENCE PHOTO LIBRARY
Light micrograph of a section through human lung tissue showing pulmonary tuberculosis (TB). Pulmonary TB is a bacterial infection of the lungs that can cause a range of symptoms, including chest pain, breathlessness and severe coughing. This disease can be life-threatening if a person does not receive treatment. People with active TB can spread the bacteria through the air.
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