Listeriosis : Causes, Symptoms, Daignosis, Prevention and Treatment - PowerPoint PPT Presentation

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Listeriosis : Causes, Symptoms, Daignosis, Prevention and Treatment

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Listeriosis is an infectional disease that is caused by bacteria known as Listeria. As the bacteria generally make its way into the body via food, the infection is also known as food poisoning. – PowerPoint PPT presentation

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Title: Listeriosis : Causes, Symptoms, Daignosis, Prevention and Treatment


1
Listeriosis
2
What is listeriosis?
  • Listeriosis is an infectional disease that is
    caused by bacteria known as Listeria. As the
    bacteria generally make its way into the body via
    food, the infection is also known as food
    poisoning. Sometimes the disorder is not so
    severe and does not need any sort of treatment.
    The infection sometimes can cause further severe
    illness, like a brain or a blood
    infection.Pregnant women are much more likely
    prone to have listeriosis than other healthy
    adults. The infection can cause miscarriage, or
    their newborn baby may be born with the
    infection.Newborns can get much sicker than
    their mothers. The infection is most likely to
    affect the older adults or people who are having
    weak immune systems. (The immune system is the
    body's defense against infections).

3
What is the cause of listeriosis?
  • The bacteria can live in the animal or human
    intestine. Bowel movements can spread the
    bacteria to soil or water. Fruits or vegetables
    can get contaminated if they come in contact with
    this soil or water. Usually contaminated food
    look and smell like normal.You may get infected
    if
  • You eat or drink dairy products that have not
    been pasteurized (heated to kill certain
    bacteria).
  • You eat contaminated food, especially raw or
    undercooked meat.
  • You eat food that has been handled by someone who
    is infected.
  • You swallow water from a well, lake, stream, or
    city water that has not been treated to kill
    germs.
  • You have contact with an infected animal.In many
    cases, the source of infection is not known.

4
How is listeriosis diagnosed?
  • Your doctor will surely ask about your symptoms
    and medical history and examine you. Liquid from
    parts of your body, such as the blood, spine, or
    joints, may be tested for presence of bacteria.

5
What are the symptoms of listeriosis?
  • You may not have symptoms until weeks after you
    are infected. Symptoms may include
  • Fever
  • Muscle aches
  • Nausea
  • Diarrhea
  • If the infection spreads to the nervous system
    it can cause meningitis. Meningitis is an
    infection of the covering of the brain and spinal
    cord. Symptoms of meningitis may include
  • Headache
  • Stiff neck

6
What are the symptoms of listeriosis?
Continue
  • Confusion
  • Loss of balance
  • Seizures
  • Coma
  • Meningitis can be fatal.

7
How is listeriosis treated?
  • Mild infections often get better without
    treatment. You may need to take antibiotic
    medicine for several weeks to make sure all of
    the bacteria are gone in case of a serious
    infection.When a pregnant woman is infected,
    taking antibiotics can often keep the baby from
    getting infected. The baby will usually need
    antibiotics, if a baby gets infected at birth or
    soon afterwards the baby is born.

8
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