Capitalization: Avoid unnecessary capitalization. Follow Chicago Manual of Style, 16th edition (http://www.chicagomanualofstyle.org/cmosfaq.html).
Do not capitalize accession number, and use the abbreviation no. instead of number when a specific number is provided.
GenBank accession numbers were recorded.
The isolate was deposited into GenBank under accession no. AA00000.
AM, PM, BCE, CE: format in small caps
Arctic (when referring to region), arctic when referring to cold temperature. American
Heritage says “arctic or Arctic fox”; “arctic or Arctic tern,” in that order.
Biosafety Level. Abbreviate with hyphen (e.g., BSL-2).
Black (when referring to persons)
California encephalitis virus
Eastern equine encephalomyelitis
Ebola (named after the Ebola River in Zaire)
Guinea worm disease
Sin Nombre virus
Saint Louis encephalitis virus
Gram stain, gram-negative, gram-positive
Venezuelan equine encephalomyelitis virus
Western equine encephalomyelitis virus
White (when referring to persons)
Do not capitalize words used as specific designations (case, group, series, patient), unless they begin a sentence or are part of a title or heading.
Trade names should generally be capitalized. Do not use ™ or ® with trade names.
Most words derived from proper nouns are not capitalized. Follow the Chicago Manual of Style (http://www.chicagomanualofstyle.org/cmosfaq.html), except that black and white should be capitalized when referring to persons (e.g., Black case-patients, White persons).
Do not capitalize titles, such as chairman, president, professor, or director unless the term directly precedes a name (e.g., Professor Smith).
Capitalize the first letter of all words except articles, coordinating conjunctions, and prepositions (regardless of length).
Never capitalize “to” in a title or a heading, either as a preposition or infinitive.
Lowercase “that” as a subordinating conjunction but capitalize as a relative pronoun.
Evidence that Penicillin-Resistant Strains Are Common
Strains That Are Resistant to Penicillin
Capitalize the second word in hyphenated terms ending in acquired, associated, resistant, susceptible, sensitive, related, and similar words.
Methicillin-Susceptible Staphylococcus aureus
Capitalize hyphenated or dashed words of equal weight.
Cat-Scratch Disease, Rat-Bite Fever
If a word in a title (or other word that would ordinarily be capitalized, as at the beginning of a sentence or the first word in a table cell) begins with a lowercase Greek letter, capitalize the first non-Greek letter after it.
Titles of books and journals are neither italicized nor placed within quotation marks.
Lowercase specific epithets in the scientific names of organisms in titles as you would in running text: Escherichia coli.
If a symbol begins a heading (e.g., column heading in table), capitalize the next word.
Lowercase all letters in email addresses. Lowercase all letters in URLs unless necessary for the URL to work properly (e.g., PDF file names).
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- Page created: February 04, 2010
- Page last updated: March 31, 2014
- Page last reviewed: March 31, 2014
- Centers for Disease Control and Prevention,
National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
Office of the Director (OD)