Its incidence trends to raise year by year in the world.

其发病率在世界范围内有逐年升高的趋势。

youdao

Over all, there has not been an increase in its incidence since cellphones arrived.

总体而言，自手机出现以来，脑癌发病率并未上升。

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Diabetes is a familiar disease and its incidence is high in China and all over the world.

糖尿病是一种常见病、多发病，在我国以及全世界发病率都很高。

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Each year malaria kills 1.1 million people and infects 300 million, and its incidence is growing 3% annually.

FORBES: A Cure for Neglect

Malaria kills 1.1 million people and infects 300 million a year, and its incidence is growing by 3% annually.

FORBES: A cure for neglect

Lung cancer, however, has a much lower survival rate, so remains the biggest killer, even though falls in smoking rates have reduced its incidence.

BBC: Cancer cases on the rise