Vaccine fluid
Crossword clue · 1 known answers · 2 appearances · Last seen in the Newsday crossword on November 11, 2025
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SERUM
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About this clue
The clue “Vaccine fluid” has appeared 2 times in our database with 1 different answers, so count the squares in your grid and check the crossings before you commit. Most recently it ran in the Newsday crossword on November 11, 2025, where the answer was SERUM.
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