No, I read an article about scarlet fever, and it was not capitalized.
Yes, names of countries are capitalized.
According to the University of Minnesota Style Guide, "Do not capitalize the names of diseases, syndromes, tests, and other medical terms except for proper nouns that are part of the names." for instance, "colon cancer" would not be capitalized, but "Lou Gehrig's disease" would be.
No, the names of most herbs are not capitalized
Yes, protein names are typically capitalized in scientific writing.
No, but the names of individual languages are capitalized.
"Roman" should be capitalized, but "goddess" should not me. The names of Roman goddesses are proper nouns and should be capitalized.
Yes, gene names are typically capitalized in scientific research papers.
No, generic drug names should not be capitalized in medical writing.
Yes, names should always be capitalized.
No it is not as it is not a trade name. Only trade names of medications are capitalized.
Yes. Titles of books, names of operas or songs, and names of movies or plays are generally capitalized.
Yes, capital cities and country names are considered as proper names, and proper names are capitalized. Butadjectives derived from those are not, unlike in English.