OCR Text |
Show That the bubonic plague is carried from port to port by rats in ships la an established fact. A French investigator inves-tigator now finds that the disease is communicated from rat to rat, by fleas, and that promiscuous intercourse inter-course between healthy and infected rats or their cadavers never transmits trans-mits the plague, while fleas conveyed the disease in eight tests out of nine. So medical officers are now giving assiduous attention to the health and comfort of the rats in their district. |