Which invention saw its adoption rate dramatically increase after its marketing was repositioned from 'preventing infection' to 'freshening breath'?

In the world of inventions and discoveries, successful branding can often determine whether an innovation becomes a household name or fades into obscurity. This trivia question explores how a groundbreaking invention's marketing strategy and brand positioning fundamentally changed public perception and drove adoption. Test your knowledge about one of history's most significant product marketing pivots that transformed a scientific discovery into a consumer sensation.

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Listerine mouthwash
Penicillin
Band-Aid adhesive bandages
Lysol disinfectant