Moraxella catarrhalis infection

The Neisseria family includes five genera: Neisseria, Moraxella, Kingella, Acinetobacter, and Oligella. Among them, Moraxella genus includes Moraxella and Branhamella. The above nomenclature and classification are still controversial. Moraxella catarrhalis (MC) is also known as Branhamella catarrhalis (BC) is a bacterium belonging to the genus Moraxella that inhabits the human upper respiratory tract. The fungus was listed as a subgenus of Moraxella in the year, called Moraxedla (Branhamella) catarrhalis, which is currently widely accepted as M. catarrhalis (MC), catarrhalis. Moraxella. With further study of the bacteria in this genus, its name will also change. MC bacteria is a Gram-negative diplococcus. In the past, it was thought to be only a normal herd flora in the respiratory tract of healthy people.

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