What
is the Plague?
You’ve probably
heard of the “Black Plague” from your high school history class, but it’s actually
part of a larger Zoonotic disease simply called the Plague. It is a bacterial disease of rodents that can
spread to humans and other animals by infected fleas. There are three major forms of the
disease:
·
Bubonic
Plague is an infection of the lymph nodes (Black Plague)
·
Pneumonic
Plague is an infection of the lungs
·
Septicemic
Plague is an infection of the blood
The
organism Yersinia pestis causes Plague. Rodents, such as
rats, spread the disease to humans.
How do people get
the Plague?
People can get the Plague when a
flea that carries the Plague bacteria from an infected rodent bites them. In
rare cases, you may get the disease when handling an infected animal. Here are
some ways to get Plague:
- By the bites of infected fleas
- By direct contact with the tissues
or body fluids of a Plague-infected animal
- By inhaling infectious airborne
droplets from persons or animals, especially cats, with Plague pneumonia
- By laboratory exposure to Plague
bacteria
What are the signs and symptoms of the Plague?
Bubonic Plague symptoms appear suddenly, usually after 2-5 days of
exposure to the bacteria. Symptoms include:
·
High fever
·
Smooth, painful lymph gland swelling called a buboe
o Commonly found in the
groin, but may occur in the armpits or neck.
o Pain may occur in the
area before the swelling.
·
Chills
·
General ill feeling (malaise)
·
Muscle pain
·
Severe headache
·
Seizures
Pneumonic Plague symptoms appear suddenly, typically 2-3 days
after exposure. They include:
·
Severe cough
·
Frothy, bloody sputum
·
Difficulty breathing
Septicemic Plague may cause death even before the symptoms occur.
Symptoms can include:
·
Abdominal pain
·
Blood clotting problems
·
Diarrhea
·
Fever
·
Low blood pressure
·
Nausea
·
Organ failure
·
Vomiting
If
diagnosed in time, Plague is treatable with antibiotics. Treatment of suspected
Plague cases should start as soon as possible after the laboratory examinations
of the specimen. Streptomycin is usually the antibiotic administered, but
several other antibiotics are also effective.
·
Do
not feed any rodent or rabbit species in the wild.
·
When
camping or hiking, do not hang around in rodent-infested areas. Do not catch,
play with or attempt to hand feed wild rodents.
play with or attempt to hand feed wild rodents.
·
Avoid
contact with all sick and dead rodents and rabbits. Look for the
presence of blowflies or dead animal smell as evidence of animal die-offs.
presence of blowflies or dead animal smell as evidence of animal die-offs.
·
While
hiking, treat pants, socks, shoe tops, arms and legs with insect
repellants.
repellants.
·
Insecticide
powders or shampoos should be used on cats and dogs every few
days while in Plague areas.
days while in Plague areas.
·
Cats
sometimes exhibit swelling and sores around the mouth head and neck when
infected. Seek professional veterinarian care for such animals and do not
handle suspiciously sick pets without gloves and face protection.
·
Remember
the incubation period of 2-6 days and consult a physician if
sudden unexplained illness occurs within that period after activities in the
outdoors.
sudden unexplained illness occurs within that period after activities in the
outdoors.
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