Plague fighters are killing off fleas carrying the Black Death after three people were stricken with world’s most feared disease. Health officials are targeting rodent burrows to thwart the risk of an epidemic just weeks after an outbreak put the three victims in hospital. Urgent action to wipe out flea infestations in prairie dog burrows in two parts of Arizona has been ordered after scientists confirmed the insects were carrying the same plague that wiped out a quarter of humanity in

the 1300s. Besides tackling the infestations, public health officials in Arizona are putting out warnings to reduce the risk of people contracting plague by preventing pets from running loose as well as avoiding rodent burrows.Confirmation that fleas were carrying the bacteria that causes plague, Yersinia pestis, came this week after positive tests at two sites near Flagstaff.  READ MORE