Irrigation in Dry Areas Can Increase Malaria Risk for yearsi
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    September 24, 2013 12:30 AM
    A new study describes how irrigation water can lead to an increase in malaria cases that could last for 10 years or more.

    Irrigation in Dry Areas Can Increase Malaria Risk for years

    Published September 24, 2013

    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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    by: gehan from: egypt
    September 24, 2013 10:16 AM
    this is very good
    and the teacher is very excellent&his voice is very clear

    thanks for your group