<p>This diagnosis kit is configured such that a biological sample containing red blood cells and a stain solution that can stain nucleic acid are used in order to detect the presence of foreign organisms in red blood cells. The diagnosis kit has at least one diagnosis plate. The diagnosis plate has a first chamber configured such that the biological sample can be injected, a channel connected to the first chamber, and an inspection plate that is connected to the channel. The inspection plate is connected to a second chamber. The channel is configured such that the red blood cells can be extracted. The second chamber can collect a portion of the biological sample. Foreign organisms in the red blood cells can easily be detected by this diagnosis kit using a small amount of the biological sample.</p>
