Basis of some vaccines
Crossword clue · 1 known answers · 1 appearances · Last seen in the Wall Street Journal crossword on May 9, 2026
Latest answer · Verified
RNA
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About this clue
The clue “Basis of some vaccines” has appeared 1 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 Wall Street Journal crossword on May 9, 2026, where the answer was RNA.