// Workers AI · dad joke modeWhat did IL-1 say to IL-2? "You're one after me".
IL-1 may refer to:
- Interleukin 1, a protein
- Illinois's 1st congressional district
- Illinois Route 1
- Building 1 of Infinite Loop (street), the headquarters of Apple Inc.
- Ilyushin Il-1, a Soviet fighter prototype
This disambiguation page lists articles associated with the same title formed as a letter–number combination.
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