Epileptic seizures is a serious chronic disease of the brain, during the onset of the emergence of consciousness due to life-threatening.

癫痫病发作是很严重的慢性脑部疾病，发作期间会因意识不清而出现生命危险。

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The haze is an acute and chronic symptom of a disease even more serious for Indonesia and the world: Indonesia’s deforestation.

印尼滥砍滥伐，乃其与世界所患之病，病势渐沉。 这场阴霾，便是该病急性发作与慢性持续的症状。

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The haze is an acute and chronic symptom of a disease even more serious for Indonesia and the world: Indonesia's deforestation.

印尼和全世界现在都患上的一种更加严重的疾患：印度尼西亚的毁林之风，霾害只不过是这个疾患的一种定期发作的急性症状而已。

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Just three months before its planned split into two companies, Abbott Laboratories is suffering a significant setback after a Phase III trial for a chronic kidney disease treatment was ended due to an excessive number of deaths and serious adverse events in patients.

FORBES: For Abbott, Setbacks Happen In Threes; Now, A Kidney Drug Trial Ends Over Deaths

Hepatitis B is a similar liver disease that can range from a mild illness to a serious, chronic condition.

CNN: Dozens of Okla. dentist's patients positive for hepatitis