Causes of Disease - 2

In the late eighteen hundreds, the Dutch research team arrived in Java, the most heavily populated island of the Indonesian archipelago.   Before the team could find the germ responsible for beriberi,  it was first necessary to collect more data and make more observations.


QuestionWhat additional observations would you need to make if you were a member of this research team?  Enter your answers in the quickwrite. 
Subpages (1): Causes of Disease - 3
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