What is the answer to the NYT Crossword clue "Modern vaccine component" from August 25, 2025?

Crossword clue

“Modern vaccine component”

This clue appeared as 66-Across in the NYT Crossword on Monday, August 25, 2025. The answer has 3 letters.

Answer · 3 lettersFirst appearance

RNA

Letters3

Starts withR

Ends withA

Vowels1

Where this clue has appeared

NYT Crossword
Aug 25, 20253 letters→

About this clue

The clue “Modern vaccine component” ran in the NYT Crossword on August 25, 2025 as 66-Across. Its answer is a 3-letter word that starts with R and ends with A.

See every answer from the puzzle on the NYT Crossword page for August 25, 2025, or learn how clues like this work in our guide to crossword clue types.

More clues from this puzzle

1ATrendy3 letters 4ARemove, as pencil marks5 letters 9AGoes past 21 in blackjack5 letters 14ACommotion3 letters 15A"___ Mia!" (2008 film)5 letters 16AHow ballerinas perform5 letters 17AFish commonly caught in the Upper Midwest9 letters 19ASquandered, as a big lead5 letters

FAQ

What is the answer to the “Modern vaccine component” clue?+

The answer is RNA (3 letters), from the NYT Crossword of August 25, 2025.

Where has this clue appeared?+

We have seen it 1 time in the NYT Crossword.

How do I find other NYT Crossword answers?+

Open the full list of answers for August 25, 2025, or browse every date on the NYT Crossword hub.