Modern vaccine component WSJ Crossword Clue

By Date: MAY 4, 2026 Follow on Google

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Clue History: Modern vaccine component

Complete History & Past Answers

Answer Letters Puzzle
Answer RNA
Letters 3
Puzzle NYT Midi Crossword - July 18 2026
Answer RNA
Letters 3
Puzzle WSJ Crossword - April 30 2026
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Frequently Asked Questions About This Clue

The most common and recent 3-letter answer for "Modern vaccine component" is RNA.

The clue refers to a key component in many modern vaccines, specifically mRNA vaccines like those used for COVID-19. 'RNA' stands for ribonucleic acid, which is used to instruct cells to produce a protein that triggers an immune response.

This clue was last seen in the WSJ Crossword on April 30, 2026.

RNA is a nucleic acid present in all living cells, primarily involved in protein synthesis and sometimes in the transmission of genetic information.

Single-stranded molecule, Messenger molecule in bio class, Molecule with the nucleotides G, U, A and C, Genetic info carrier, Basis of some vaccines

The clue “Modern vaccine component” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated April 30 2026, the definitive 3-letter answer is: RNA.

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