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Thursday, October 31

  1. page Two Infections of the Upper Respiratory System edited ... -Though scarlet fever is a serious disease, thankfully was have discovered antibiotics that ar…
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    -Though scarlet fever is a serious disease, thankfully was have discovered antibiotics that are able to kill streptococcus pygenes, and the patient can fully recover. It is true that with antibiotic resistance, that is now becoming a problem, we might have a problem with streptococcus pygenes, should it develop a resistence to current antibiotics. I however do not think that this is something that should be very worrisome, because scientist think that the severity of scarlet fever is not as strong as it was in the 1800's.
    Literature Cited:
    1. Choby1.Choby B. Mar
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    71 505-520.
    2. Hahn

    2.Hahn
    Rg. May15
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    71 1949-1954
    3. Laval

    3.Laval
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    26. 168-172
    4. Liang

    4.Liang
    Ym. Dec
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    97 1681-1685
    5. Okamoto

    5.Okamoto
    K. Dec
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    Company, 2006.
    The second bacteria which causes upper respiratory tract infections is...
    {11303812072So19e.jpg} Any guesses? I'll give you a hint... it's Gram positive and Cocci
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    There are three different types of S. Aureus which are very important to know for your own personal safety and for the safety of those around you. Even though there are many different variations of this organism, the three mentioned below are the current dangerous types. Since this organism is well adapted... to adapt, it is possible that new types may emerge in our lifetime. Knowledge is power especially when it comes to this bacteria, because the more you know, the closer everyone is to understanding how to beat this once solved problem. Mutations have made some of these types harder to treat, and has brought the death rate to an alarming number an estimated 19,000 people a year in the U.S. die from an infection caused by the MRSA type.
    Staphylococcus Aureus: This is the generic and common type of staph that was discovered in 1880. This type is usually easier to treat since it usually is not resistant to antibiotics. These cause minor skin infections that can usually be treated with over the counter antibiotic ointment. No doctors visit is necessary if the infection goes away. If that doesn't work, prescription oral antibiotics are the next attack plan. The most common antibiotic that is prescribed for this is Penicillin. If an abscess has grown, it must be surgically drained first. Only for the most serious life-threatening situations, intravenous antibiotics are administered. Before that is done, lab tests are compiled to determine which antibiotic will work the best against your specific infection. They can do this by the disk-diffusion method, which was preformed in our lab class. They take a lawn of the isolated bacteria, and test many different antibiotics. They then check to see which has the biggest zone of inhibition, and that is the antibiotic that gets prescribed to you.
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    staphylococcus aureus Copyright Dennis Kunkel Microscopy, Inc. (www.denniskunkel.com).
    Methicillin-Resistant Staphylococcus Aureus: This is a mutated form of staph that is commonly known as MRSA that was discovered in 1961. Apparently, an old bacteria can learn new tricks. This specific type kills 19,000 people a year which makes the swine flu look like a walk in the park. This type is resistant to the antibiotic Methicillin, as well as Penicillin, Amoxicillin, and Oxacillin. This "super bug" makes treating this more difficult due to the traditional methods of medicine being rendered useless. This type is most commonly contracted in hospitals especially by the elderly as well as anyone who is sick and their immune system in down. It can also be contracted through an open wound or a catheter. The CDC estimates that 12% of MRSA infections are community-associated which means it can be passed from person to person by skin contact, an injury, or poor hygine, even if you never went to the hospital. The good news is that it can only be spread when a person has an active MRSA skin infection. In some cases, it can even be contracted from sheets or workout equipment. MRSA typically causes mild skin infections which can be treated with careful skin care and certain antibiotics. On the other side of the spectrum, MRSA can also be almost impossible to treat and can become a life-threatening blood or bone infection and it can kill you in less than a week after the infection took place. Drastic times call for drastic measures, and when a MRSA infected person has no other options, amputations are sometimes the only treatment.
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Sunday, April 10

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    See if you can Guess the Organism! ( Pictures from Lab Friday's lab 12-3 Spring 2009)
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    Research Projects! & Adenovirus
    & See other links below our photos!

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