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Scarlet fever is highly contagious.

猩红热的接触传染性很强。

《牛津词典》

Nipah virus is highly contagious in pigs.

尼帕病毒在猪群中具有高传染性。

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Then in July came foot-and-mouth, a highly contagious virus that affects cows, sheep and pigs.

ECONOMIST: Bird flu

Measles is a highly contagious disease characterised by a high fever and a rash.

BBC: A million children at risk of measles, doctors warn

Peaks in cases of the highly contagious disease cycle every two to five years.

CNN: 9th baby in California dies from whooping cough