The ICTV's recommendation for how to write virus, species and other taxa names. (Updated September 16, 2020)
You are correct. The use of capitalization and italics as indicated in the article above, is meant for official, ICTV-approved taxon names. Proposed, but not yet approved taxon names should be…
Can monkeypox virus be used and written both as a virus (not italicized) and virus species (italicized)?