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Health measures during the construction of the Panama Canal : ウィキペディア英語版 | Health measures during the construction of the Panama Canal
One of the greatest challenges facing the builders of the Panama Canal was dealing with the tropical diseases rife in the area. The health measures taken during the construction contributed greatly to the success of the canal's construction. These included general health care, the provision of an extensive health infrastructure, and a major program to eradicate disease-carrying mosquitoes from the area. == Background ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Health measures during the construction of the Panama Canal」の詳細全文を読む
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