Modern vaccine component
Crossword clue · 1 known answers · 3 appearances · Last seen in the Wall Street Journal crossword on August 18, 2026
Latest answer · Verified
RNA
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About this clue
The clue “Modern vaccine component” has appeared 3 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 August 18, 2026, where the answer was RNA.