“Widespread contagion” in Japanese
Short answer
Widespread contagion in Japanese is “大流行” (oohayari). Full meaning: big craze, boom, popular trend, huge popularity; widespread contagion, large outbreak.
Other ways to say “Widespread contagion” in Japanese
大流行り
oohayari big craze, boom, popular trend, huge popularity; widespread contagion, large outbreak
大はやり
oohayari big craze, boom, popular trend, huge popularity; widespread contagion, large outbreak
おおはやり
oohayari big craze, boom, popular trend, huge popularity; widespread contagion, large outbreak
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