The actual term Expiration Date refers to the last date a food should be eaten or used. Last means last -- proceed at your own risk. Other, more commonly spotted terms are:  1 Sell by date. 2  The labeling sell by tells the store how long to display the product for sale. 3  You should buy the product before the date expires. 4  This is basically a guide for the retailer, so the store knows when to pull the item.
Rats can carry fleas that may be infected with the bacteria that cause bubonic plague. Headaches are common in people with bubonic plague. Bubonic plague manifests in the form of swollen lymph nodes. Bubonic Plague causes large bruises to appear. Exposure to infected rodents like the prairie dog can cause transmission of the bubonic plague.
Confidence votes 94.7K. The Bubonic Plague originated in China. It was spread by the fleas carried by rats going aboard ships and they were transported to Italy, Greece and France, when the rats left the ships entering cities and gave us the Bubonic Plague.he Bubonic Plague spread from China and East Asia to Europe through the Silk Road and arrived in the Ukraine. It also spread from fleas upon rats aboard merchant ships, and i â¦ s believed to have spread from Sicily.