Author Topic: Q Fever (Read 1433 times)

Scarb · « **on:** March 02, 2008, 11:10:28 PM »

Q Fever and Animals

What is Q fever?

Q fever is a rickettsial infection caused by Coxiella burnetii (COX-ee-ELL-uh burn-ETT-eye). Only about half the people infected with this organism get sick with Q fever. Most people who get sick start having symptoms 2 to 3 weeks after getting C. burnetii, although symptoms can start sooner. These symptoms include fever, headache, chest or stomach pain, vomiting, and diarrhea. The fever can last 1 to 2 weeks, but many people can also get more serious lung or liver infections as a result of Q fever.
Organism Responsible for Q fever
Rocky Mountain Laboratories, NIAID, NIH

Most people get better within 1 to 2 months after being infected. Rarely, people can be sick from Q fever a year or more after getting this disease. For these people, inflammation (swelling) of the heart, especially the valves in the heart, can be a serious problem.

Can animals transmit Q fever to me?

Yes, some animals can pass Q fever to people. Cattle, sheep, and goats are most likely to carry C. burnetii, but other kinds of animals can also have this disease. Most infected animals do not show signs of Q fever, but the organism can be in barnyard dust that contains manure, urine or dried fluids from the births of calves or lambs. People usually get Q fever by breathing in this contaminated barnyard dust. Occasionally, people can get Q fever from drinking contaminated milk or from tick bites.

cases about Q Fieber(fever) discuss in Deutschland

http://www.dict.cc/englisch-deutsch/Q+fever.html

http://de.wikipedia.org/wiki/Q-Fieber

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Scarb · « **Reply #1 on:** March 02, 2008, 11:14:45 PM »

How is Q fever transmitted?

People usually contract Q fever when they breathe in the Q fever microbe. It is very infectious. As few as ten Q fever microbes can start an infection. People can also get Q fever by drinking infected milk, but most infections are spread through the air. Person to person transmission occurs rarely, if ever.

What are the symptoms of Q fever?

People can have Q fever without knowing it or mistake it for mild flu. Often, it is impossible to tell without laboratory tests.

Sometimes, Q fever strikes as a sudden illness, affecting a large number of people in the same workplace. Common signs and symptoms resemble a serious case of the flu:

sudden onset of high fever
chills and sweating
general feeling of sickness and loss of appetite
Some patients develop a slight, dry cough because of a lung inflammation known as pneumonitis. Most symptoms disappear after 7-10 days. However, afflicted people can feel generally ill with loss of appetite for several weeks.

A small percentage of patients develop hepatitis or liver disease and jaundice, a yellowing of the skin and darkening of the urine, caused by a malfunctioning of the liver.

Other rare clinical syndromes including endocarditis, an inflammation of the lining of the heart cavity, have been reported.

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Scarb · « **Reply #2 on:** March 03, 2008, 12:25:18 AM »

What tests are available for Q fever?

Laboratory tests for Q fever measure antibodies that circulate in the blood. Antibodies are protective substances that the body produces in defense against infectious diseases. Q fever can be diagnosed in patients who develop these antibodies in their blood following a period of unexplained feverish illness.

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Scarb · « **Reply #3 on:** March 03, 2008, 12:30:02 AM »

What is the treatment for Q fever?

The antibiotic tetracycline is often used to treat Q fever. Patients usually recover promptly when treatment is started without delay.

Is Q fever an occupational concern?

Q fever is an occupational concern for workers who have contact with animals, animal products, or animal waste.

Workers can get Q fever from a variety of different animals:

wild animals
farm livestock--especially cattle, sheep, and goats
laboratory animals--especially sheep
household pets--especially cats
Blood-sucking ticks spread the Q fever microbe to wild animals, but seldom to humans. Farm livestock, laboratory animals, and pets however can pick up Q fever directly from other infected animals or from contaminated surroundings.

Q fever is a special concern with pregnant animals, especially around the time they give birth or abort because of the disease. In pregnant animals, the Q fever microbe builds up to enormous numbers in certain tissues and fluids. These include:

the uterus or womb,
the placenta, which surrounds the offspring in the womb,
the mammary glands or udders,
birth fluids, and
milk.

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Happy · « **Reply #4 on:** March 03, 2008, 12:30:52 AM »

Naa koy kaila sa simbahan, permi jud na sila simba kuyog sila tanan pamilya, pero ganina ang bana ra ug ang anak nga sakristan ang diha, ingon siya nga nasakit daw ang iyang asawa, usa na daw ka semana

I hope dili ni siay mao nga sickness ang nakadakop niya.

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Scarb · « **Reply #5 on:** March 03, 2008, 12:31:35 AM »

Studies show that one gram of placenta from an infected sheep can contain over one billion Q fever microbes.

These microbes become airborne in tiny droplets of mists or aerosols and spread to workers:

when animals give birth,
during processing of infected tissues from slaughtered animals,
at milking or during the processing of milk, or
during animal surgery.
After giving birth, animals usually eat their placenta and other tissues of afterbirth. When this happens, the Q fever microbes survive digestion. They pass along the animal's intestine and become discharged with the manure. This allows Q fever to spread widely throughout the environment.

The Q fever microbe easily becomes airborne with dust from infected animal tissues, manure, or soil. As a result, workers can become exposed to Q fever by contacting various infected materials such as

dust from animals, bedding, or manure,
soil near animal pens,
animal hides, wool, and furs, and
clothes from workers who were exposed to infected animals or materials.

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Author Topic: Q Fever (Read 1433 times)

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