Vaccine fluid
THE ANSWER IS
The answer is SERUM.
Tap reveal when you’re ready—the letters stay hidden until then.
Why it fits
SERUM is the 5-letter answer to “Vaccine fluid” in the August 25, 2026 Lexigo puzzle. Every answer must also trace a connected path across touching hexagons, with each word linking to its neighbors in the chain—so SERUM both satisfies the clue and fits the day’s board.