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</html><description>El complejo Mycobacterium avium engloba dos especies de gran importancia, M. intracellulare y M. avium, la &#xFA;ltima de las cuales est&#xE1; dividida en cuatro subespecies (M. avium subsp. avium, M. avium subsp. paratuberculosis, M. avium subsp. hominissuis y M. avium subsp. silvaticum). Todas ellas se caracterizan por tener un amplio espectro de hospedadores susceptibles de ser infectados. Adem&#xE1;s, mientras que algunas de estas especies/subespecies son pat&#xF3;genas estrictas y se encuentran con poca frecuencia fuera de un hospedador (M. avium subsp. avium, M. avium subsp. paratuberculosis, M. avium subsp. silvaticum) otras son bacterias saprofitas capaces de sobrevivir en el medio ambiente&#x2026;</description></oembed>
