What does the cryptic crossword clue "Instrument essential to diagnose flu tested (4,5)" mean?

This cryptic clue uses wordplay to arrive at the answer. Visit the page for progressive hints — definition, wordplay type, and a full step-by-step explanation.

Instrument essential to diagnose flu tested (4,5)

Times Cryptic #29359 | 16 Across | 2025-10-13 flower

← Back to puzzle

Visit Times's puzzle site →