a man with the lungs affected by pneumonia, and close-up view of klebsiella pneumoniae bacteria

3d 40s age anatomical anatomy artwork at awareness bacteria bacterial body camera caucasian chest clinical condition diagnosis diagnostic disease features grey hair half health healthcare human illustration infection inflammation klebsiella lobar looking lungs man medical medicine middle part pathology photorealistic pneumonia pneumoniae pulmonary research respiratory rods rodshaped scientific skin thoracic upper white