Identification of yeasts from clinical specimens by oxidase test.

A total of 100 yeasts and yeast like fungi isolates from clinical specimens were negative for oxidase production on Sabouraud dextrose agar. When grown on Columbia agar, chocolate agar, tryptose agar, Mueller-Hinton agar, brain heart infusion and a medium resembling Sabouraud's dextrose agar but with starch instead of dextrose, all the isolate of Candida albicans (55), C. guilliermondii (6), C. parapsilosis (14), C. tropicalis (6), C. pseudotropicalis (6) and Crytococcus neoformans (2) were positive for oxidase producation. Torulopsis glabrata (2), Saccharomyces cervisiae (2) and two out of seven isolates of C. krusei were negative for oxidase test.

Filariasis as a cause of pleural effusion.

Filariasis, a mosquito borne disease is endemic in many tropical countries and sub tropics including India. A 44 years old male presented with signs and symptoms of pleural effusion. Pleural fluid on examination was exdudative in nature and showed presence of microfilariae of Wuchereria bancrofti.