Of the two plausible explanations for the decline—increased predation by killer whales or disease—disease is the more likely.

对于鲸鱼数量的下降，有两种可能的解释——虎鲸捕食或疾病的增加——疾病的可能性更大。

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If the population of these other species were increased, the number of ticks acquiring the bacterium and hence the number of people contracting Lyme disease would likely decline.

如果这些其他物种的种群数量增加，蜱类捕获细菌的数量就会减少，因此感染莱姆病的人数就会减少。

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Obesity and a sedentary lifestyle has been linked with an increased risk of heart disease.

肥胖和久坐的生活方式被认为会增加患心脏病的几率。

《柯林斯英汉双解大词典》

But with that longer life, people with Down syndrome may have an increased risk for Alzheimer's disease at an early age.

VOA: special.2009.09.09

There is an increased threat of infection and disease from polluted waste, and from eating fish that swallowed waste.

VOA: special.2009.09.22

The study found that smokers who quit had a seventy percent increased risk of developing the disease in the first six years.

VOA: special.2010.01.13

Polyparasitism Is Associated with Increased Disease Severity in Toxoplasma gondii-Infected Marine Sentinel Species.

FORBES: House Cats Said to Lead to Car Crashes, Suicides, and Mental Disorders

The Chinese government has increased disease surveillance, infection prevention and control and communication between human and animal health and industry sectors.

BBC: China: Four more infected with H7N9 bird flu

"It's causing increased disease, and it's time to pay attention, " she said.

CNN: Feds update H1N1 antivirals guidelines