What is the answer to "Vaccine medium" in the Newsday Crossword?

The answer to the Newsday Crossword clue "Vaccine medium" is SERUM (5 letters).

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Vaccine medium Newsday Crossword Clue

Down clue · from the May 14, 2026 puzzle

Stuck on “Vaccine medium” from the Newsday Crossword? Here is the verified answer:

Answer

SERUM

5 letters · Down · last seen May 14, 2026

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