A bacteria that causes infections in different parts of the body is called MRSA (Methicillin-resistant Staphylococcus aureus). Because it is resistant to many antibiotics, it is very hard to treat. This infection has different symptoms that depend on a place which is infected. In many cases, it causes sores or boils on the infected area. In some severe cases, MRSA can infect the bloodstream, the urinary tract, lungs and cause severe skin infections. MRSA is sometimes called a ‘’super bug’’ because it is very hard to treat. In most cases, it isn’t a very dangerous disease, but in some cases it can be life-threatening.

Many of staph bacteria live on our body. Actually, 1/3 of all people has those bacteria in their noses. If it gets into the body, usually through a wound, in can cause an infection. This is the main cause of skin infections in the US. In many cases, these infections are minor, but in some a person may develop pneumonia. Also, these bacteria may be responsible for infected wounds.

At first, all staph strains were treated with antibiotics, but eventually some of them became resistant. MRSA is resistant to the: penicillin, oxacillin, amoxicillin, methicillin and several more antibiotics. Because MRSA is always adapting to antibiotics that can eliminate it, researchers are trying to develop new medications that can defeat this bacteria. A person can get this bacteria if he/she even touch another person, that has it on his skin, or by touching an object that has the bacteria on it. Roughly, about 2% of the population carries MRSA. Many of them aren’t infected. Usually, people with the weak immune system get infected with this bacteria.