Plague Flashcards
What were the three major plague pandemics?
Justinian Plague
Black Death
Modern plague
When was the Black Death?
1347
When was the Justinian Plague?
541
When was the modern plague?
1894
What the plague caused by?
Y pestis (bacteria)
Where does the Y Pestis habituate?
Stomach of a flea at ambient temp
Blood or tissue it mammalian host
Who are the natural hosts if the plague?
Rats and other rodents
What are symptoms of the plague?
Flu like
Body aches
Fever
Vomiting
What are the three forms of the plague?
Bubonic plague
Septicemic plague
Pneumonic plague
What happens during bubonic plague?
Bacteria enters body and multiplies at site of entry
Lymph nodes infected and swell
Fever
Sites of infection may burst
What’s the most common form of the plague?
Bubonic
What plague is Black Death?
Septicaemic plague
What happens during septicaemic plague?
Flea bite if direct contact with infected material
Infection spreads in blood
Blood clots and organ failure
What happens during pneumonic plague?
Person to person contact
Infection spreading to the lungs
Can’t take in oxygen
Sepsis and toxic shock
What are the ways of plague transmission?
Flea bites
Contact with contaminated tissue
Infectious droplets
