You have isolated a gram- positive coccus from your inner nose. The organism appears in cell clusters when viewed microscopically, is catalase positive, and grows well on a rich medium containing 7.5% sodium chloride. This bacterium is likely a member of the genus

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The presence of gram-positive cocci in clusters, catalase positivity, and growth on high salt media strongly suggests a Staphylococcus species. Micrococcus species can also grow on high salt media, but they are not usually catalase positive. Streptococcus species are gram-positive cocci in chains, and lactobacillus species are gram-positive rods.

You Have Isolated a Gram- Positive Coccus from Your Inner