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Chronic Fatigue Syndrome Cognomens*
| Agnostic Terms |
| Neurasthenia (19th–20th centuries) |
| Myalgic encephalomyelitis (1950s– ) |
| Chemical hypersensitivity syndrome (1980s– ) |
| Infectious Candidates |
| Chronic Brucellosis (1930s–1950s) |
| Chronic Epstein-Barr virus (1960s–1980s) |
| Chronic candidiasis (1970s–1990s) |
| Toxic mold (1980s– ) |
| Chronic Lyme disease (1990s– ) |
| Xenotropic murine leukemia virus-related virus [XMRV] (2009–2011) |
*Partial list, dates reflects estimates of popular consideration.
