Harrison's Manual of Medicine
MORAXELLA CATARRHALIS
MICROBIOLOGY AND EPIDEMIOLOGY
M. catarrhalis is an unencapsulated gram-negative diplococcus. Part of the normal flora of the upper airways, M. catarrhalis colonizes 33–100% of infants; the prevalence of colonization decreases steadily with age.
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Citation
Kasper, Dennis L., et al., editors. "MORAXELLA CATARRHALIS." Harrison's Manual of Medicine, 20th ed., McGraw Hill Inc., 2020. harrisons.unboundmedicine.com/harrisons/view/Harrisons-Manual-of-Medicine/623658/all/MORAXELLA_CATARRHALIS.
MORAXELLA CATARRHALIS. In: Kasper DLD, Fauci ASA, Hauser SLS, et al, eds. Harrison's Manual of Medicine. McGraw Hill Inc.; 2020. https://harrisons.unboundmedicine.com/harrisons/view/Harrisons-Manual-of-Medicine/623658/all/MORAXELLA_CATARRHALIS. Accessed July 27, 2025.
MORAXELLA CATARRHALIS. (2020). In Kasper, D. L., Fauci, A. S., Hauser, S. L., Longo, D. L., Jameson, J. L., & Loscalzo, J. (Eds.), Harrison's Manual of Medicine (20th ed.). McGraw Hill Inc.. https://harrisons.unboundmedicine.com/harrisons/view/Harrisons-Manual-of-Medicine/623658/all/MORAXELLA_CATARRHALIS
MORAXELLA CATARRHALIS [Internet]. In: Kasper DLD, Fauci ASA, Hauser SLS, Longo DLD, Jameson JLJ, Loscalzo JJ, editors. Harrison's Manual of Medicine. McGraw Hill Inc.; 2020. [cited 2025 July 27]. Available from: https://harrisons.unboundmedicine.com/harrisons/view/Harrisons-Manual-of-Medicine/623658/all/MORAXELLA_CATARRHALIS.
* Article titles in AMA citation format should be in sentence-case
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T1 - MORAXELLA CATARRHALIS
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ED - Jameson,J Larry,
ED - Loscalzo,Joseph,
ED - Kasper,Dennis L,
ED - Fauci,Anthony S,
ED - Hauser,Stephen L,
ED - Longo,Dan L,
BT - Harrison's Manual of Medicine
UR - https://harrisons.unboundmedicine.com/harrisons/view/Harrisons-Manual-of-Medicine/623658/all/MORAXELLA_CATARRHALIS
PB - McGraw Hill Inc.
ET - 20
DB - Harrison's Manual of Medicine
DP - Unbound Medicine
ER -
