An eighteen-year-old unmarried young girl was admitted with fever for fifteen days. She had mild cough and mucoid expectoration with no haemoptysis. The fever was continuous, high grade (varying between 103  to 105 F), with mild chills and rigors off and on (nonspecific). No sore throat, urinary, or bowel problem was reported. Anorexia and weight loss was insignificant. There was no history of tuberculosis or treatment for any major illness in past. History of poisoning was absent. Menstrual history was normal. She was none responding to broad spectrum antibiotics like clarithromycin and amoxicillin-clavulanic acid combination. On examination she was mildly anemic but no cyanosis, lymphadenopathy, jaundice, or any organomegaly could be found. Chest examination revealed only occasional crepts bilaterally. In chest X-ray PA view, low-density peripheral infiltrates were seen bilaterally (Figure 1). On routine investigation, hemoglobin was 10.5 gm%, total leucocytes count was 8000 per cubic mm & differential count was P-59, L-36, M-1, and E-4. Urine routine examination was normal. Widal and PBF for malarial parasite were negative. Sputum for AFB was negative thrice and pyogenic was sterile. Serum HIV was negative. Ultrasonography for abdomen and thorax was normal. On fibro-optic bronchoscopy no lesion could be seen. CT scan sections show peripherally placed bronchiectatic patches (Figure 2). The bronchoalveolar lavage sample on culture revealed unusual fungus Cunninghamella bertholletiae (Figure 3). Patient was put on fluconazole empirically at the dose of 150 mg twice a day with a prompt response and was discharged in three days.