Earth Watch Report - Biological Hazards
Scanning
electron micrograph depicting a mass of Yersinia pestis bacteria (the
cause of bubonic plague) in the foregut of the flea vector
Credit: Rocky Mountain Laboratories, NIAID, NIH
http://www3.niaid.nih.gov/biodefense/Public/Images.htm
Via Wikipedia.org
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RSOE EDIS
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Description |
The
New Mexico Department of Health (NMDOH) has reported today the first
case of human plague of the year in the state and in the United States
in a man from Torrance County. Confirmatory testing is being conducted
at the NMDOH's Scientific Laboratory Division. An environmental
investigation will take place at the man's home to look for ongoing risk
to others in the surrounding area. "An epidemiologic investigation and
an environmental investigation around the home of the plague case are
being conducted by NMDOH staff to look for ongoing risk and to ensure
the safety of the immediate family and neighbors," said Department of
Health Secretary Retta Ward, MPH. "Staff will go door to door to
neighbors near the case to inform them about plague found in the area
and educate them on reducing their risk. Health care providers and
others close to the patient who have been determined to have been
exposed are taking preventive antibiotic therapy." Plague is an
infectious disease caused by the bacterium, Yersinia pestis. It is found
in animals throughout the world, most commonly rats but other rodents
like ground squirrels, prairie dogs, chipmunks, rabbits and voles. Fleas
typically serve as the vector of plague. Human cases have been linked
to the domestic cats and dogs that brought infected fleas into the
house. People can also get infected through direct contact with an
infected animal, through inhalation and in the case of pneumonic plague,
person to person. Yersinia pestis is treatable with antibiotics if
started early enough. There are three forms of human plague; bubonic,
septicemic and pneumonic. |
Biohazard name: | Yersinia Pestis |
Biohazard level: | 4/4 Hazardous |
Biohazard desc.: | Viruses
and bacteria that cause severe to fatal disease in humans, and for
which vaccines or other treatments are not available, such as Bolivian
and Argentine hemorrhagic fevers, H5N1(bird flu), Dengue hemorrhagic
fever, Marburg virus, Ebola virus, hantaviruses, Lassa fever,
Crimean-Congo hemorrhagic fever, and other hemorrhagic or unidentified
diseases. When dealing with biological hazards at this level the use of a
Hazmat suit and a self-contained oxygen supply is mandatory. The
entrance and exit of a Level Four biolab will contain multiple showers, a
vacuum room, an ultraviolet light room, autonomous detection system,
and other safety precautions designed to destroy all traces of the
biohazard. Multiple airlocks are employed and are electronically secured
to prevent both doors opening at the same time. All air and water
service going to and coming from a Biosafety Level 4 (P4) lab will
undergo similar decontamination procedures to eliminate the possibility
of an accidental release. |
Symptoms: | |
Status: | confirmed |
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Our
mission is to promote health and wellness, improve health outcomes, and
assure safety net services for all people in New Mexico.
Plague Case in Torrance County Man
The New Mexico Department of Health (
NMDOH)
is reporting a case of plague in a 57-year-old man from Torrance County
who is currently hospitalized in critical condition. Confirmatory
testing is being conducted at the
NMDOH’s
Scientific Laboratory
Division. This is the first human case of plague in New Mexico and in
the United States this year. An environmental investigation will take
place at the man’s home to look for ongoing risk to others in the
surrounding area.
“An epidemiologic investigation and an environmental investigation around the home of the plague case are being conducted by NMDOH staff to look for ongoing risk and to ensure the safety of the immediate family and neighbors,” said Department of Health Secretary Retta Ward,
MPH.
“Staff
will go door to door to neighbors near the case to inform them about
plague found in the area and educate them on reducing their risk. Health
care providers and others close to the patient who have been determined
to have been exposed are taking preventive antibiotic therapy.”
Plague
is a bacterial disease of rodents and is generally transmitted to
humans through the bites of infected fleas, but can also be transmitted
by direct contact with infected animals, including rodents, wildlife and
pets.
“Plague cases have occurred every month of the year in New Mexico, but most cases usually occur in the summer months,” said Dr. Paul Ettestad, public health veterinarian for the Department of Health.
“It
is especially important now that it is warming up to take precautions
to avoid rodents and their fleas which can expose you to plague. Pets
that are allowed to roam and hunt can bring infected fleas from dead
rodents back into the home, putting you and your children at risk.”
To prevent plague, the Department of Health recommends:
Read More Here
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