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[高清字幕]Agriculture Report - Irrigation in Dry Areas Can Increase Malaria Risk for years

来源:慢速英语   时间:2013-09-24 10:36:17

Agriculture Report - Irrigation in Dry Areas Can Increase Malaria Risk for years

A new study describes how irrigation water can lead to an increase in malaria cases that could last for 10 years or more.

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