The story
Introduced as a placeholder name by the World Health Organization in February 2018.
Etymology from Wiktionary, CC BY-SA 4.0.
Disease X
Today it means: A hypothetical unknown pathogen that could cause a future epidemic. Full definition →
Today it means: A hypothetical unknown pathogen that could cause a future epidemic. Full definition →
Introduced as a placeholder name by the World Health Organization in February 2018.
Etymology from Wiktionary, CC BY-SA 4.0.