But some CA-MRSA strains display enhanced virulence, spreading more rapidly and causing illness much more severe than traditional healthcare-associated ( HA -) MRSA infections, and they can affect vital organs and lead to widespread infection ( sepsis ), toxic shock syndrome, and necrotizing (" flesh-eating ") pneumonia.

This is thought to be due to toxins carried by CA-MRSA strains, such as PVL and PSM, though PVL was recently found to not be a factor in a study by the National Institute of Allergy and Infectious Diseases ( NIAID ) at the NIH.

It is not known why some healthy people develop CA-MRSA skin infections that are treatable while others infected with the same strain develop severe infections or die.

The most common manifestations of CA-MRSA are skin infections, such as necrotizing fasciitis and pyomyositis ( most commonly found in the tropics ), necrotizing pneumonia, infective endocarditis ( which affects the valves of the heart ), and bone and joint infections.

However, newly emerging CA-MRSA is transmissible ( similar, but with very important differences ) from Hospital-Associated MRSA.

CA-MRSA is less likely than other forms of MRSA to cause cellulitis.

The first report of CA-MRSA occurred in 1981, and in 1982 there was a large outbreak of CA-MRSA among intravenous drug users in Detroit, Michigan.

Additional outbreaks of CA-MRSA were reported through the 1980s and 1990s, including outbreaks among Australian Aboriginal populations that had never been exposed to hospitals.

In the mid 1990s there were scattered reports of CA-MRSA outbreaks among US children.

While HA-MRSA rates stabilized between 1998 – 2008, CA-MRSA rates continued to rise.

MRSA is sometimes sub-categorised as community-acquired MRSA ( CA-MRSA ) or healthcare-associated MRSA ( HA-MRSA ), although the distinction is complex.

Some researchers have defined CA-MRSA by the characteristics of patients whom it infects, while others define it by the genetic characteristics of the bacteria themselves.

By 2005, identified CA-MRSA risk factors included athletes, military recruits, incarcerated people, emergency room patients, urban children, HIV-positive individuals, men who have sex with men, and indigenous populations.

The first reported cases of CA-MRSA began to appear in the mid-1990s in Australia, New Zealand, the United States, the United Kingdom, France, Finland, Canada and Samoa, and were notable because they involved people who had not been exposed to a healthcare setting.

If only this could be done more often -- with such heartening results -- many of the earth's `` big problems '' would shrink to the insignificances they really are.

Furthermore, the problems and solutions devised in the electoral experiences of the rapidly changing countries are often of comparative value and essential to evaluating election results.

The government pays a subsidy for revival of the classics, and this policy attracts experimenters who sometimes put Moliere's characters in modern dress and often achieve interesting results.

Survival of bacteria often results from an inheritable resistance.

While the atypical ( second-generation ) antipsychotics were marketed as offering greater efficacy in reducing psychotic symptoms while reducing side effects ( and Extrapyramidal symptoms in particular ) than typical medications, the results showing these effects often lacked robustness, and the assumption was increasingly challenged even as atypical prescriptions were soaring.

This degenerate RPE causes foveal hypoplasia ( a failure in the development of normal foveae ), which results in eccentric fixation and lower visual acuity, and often a minor level of strabismus.

Semi-conductor materials are often analysable in atom probe, however sample preparation may be more difficult, and interpretation of results may be more complex, particularly if the semi-conductor contains phases which evaporate at differing electric field strengths.

The location of the primary lesion may be suggested by the location of the abscess: infections of the middle ear result in lesions in the middle and posterior cranial fossae ; congenital heart disease with right-to-left shunts often result in abscesses in the distribution of the middle cerebral artery ; and infection of the frontal and ethmoid sinuses usually results in collection in the subdural sinuses.

The results can range from violent or angry confrontations to genuine and tender connections ( often including romantic interludes ), providing entertainment to the public.

Genetic studies have suggested many chromosomal regions and candidate genes appearing to relate to bipolar disorder's development, but the results are not consistent and often not replicated.

Cellulocutaneous plague sometimes results in infection of the skin and soft tissue, often around the bite site of a flea.

Very often the results are written to some internal CPU register for quick access by subsequent instructions.

Rapid combustion is a form of combustion, otherwise known as a fire, in which large amounts of heat and light energy are released, which often results in a flame.

Other ( typically less accurate ) methods are called empirical or semi-empirical because they employ experimental results, often from acceptable models of atoms or related molecules, to approximate some elements of the underlying theory.

The CLP vote is often tabulated together with either of its coalition partners in many election results tables, or included within a single Coalition vote.

Therefore, four loose families of more-efficient light transport modelling techniques have emerged: rasterization, including scanline rendering, geometrically projects objects in the scene to an image plane, without advanced optical effects ; ray casting considers the scene as observed from a specific point-of-view, calculating the observed image based only on geometry and very basic optical laws of reflection intensity, and perhaps using Monte Carlo techniques to reduce artifacts ; and ray tracing is similar to ray casting, but employs more advanced optical simulation, and usually uses Monte Carlo techniques to obtain more realistic results at a speed that is often orders of magnitude slower.

Much as 19th century science is often treated as the inventor of conceptions of evolution and race which had serious negative political and social consequences, many 19th century historians pursued what they intended as reasonably objective research projects in the history of their own and other regions either to end by themselves using the results to support nationalistic goals or to see their work used that way by others.

The latter test is relatively insensitive, successfully detecting only 60-80 % of infections in asymptomatic women, and often giving falsely positive results.

Challenging chauvinist attitudes often results in anxiety or other symptoms.

Constraints on many cosmological parameters can be obtained from their effects on the power spectrum, and results are often calculated using Markov Chain Monte Carlo sampling techniques.

Insolvency may result in a form of corporate failure, when creditors force the liquidation and dissolution of the corporation under court order, but it most often results in a restructuring of corporate holdings.

Many studies of treatments used by chiropractors have been conducted, often with conflicting results.

Atkins made his own records, which usually visited pop standards and jazz, in a sophisticated home studio, often recording the rhythm tracks at RCA but adding his solo parts at home, refining the tracks until the results satisfied him.

" Speaker Martin concluded that Eisenhower worked too much through subordinates in dealing with Congress, with results, " often the reverse of what he has desired " because Members of Congress ," resent having some young fellow who was picked up by the White House without ever having been elected to office himself coming around and telling them ' The Chief wants this '.

Accompanying noise from the set, equipment, traffic, wind, and the overall ambiance of the surrounding environment often results in unusable production sound, and during the post-production process a supervising sound editor or ADR Supervisor reviews all of the dialogue in the film and decides which lines will have to be re-recorded.

In North America, after drainage, an abscess cavity is often packed.

It is important to note that antibiotic therapy alone without surgical drainage of the abscess is seldom effective due to antibiotics often being unable to get into the abscess and their ineffectiveness at low pH levels.

CT scan often is not helpful, as cerebral abscess is uncommon.

Lemierre's syndrome develops most often after a sore throat caused by some bacterium of the Streptococcus genus has created a peritonsillar abscess, a pocket filled with pus and bacteria near the tonsils.

* Dental infection of bacterial origin, such as periapical abscess, periodontal abscess, acute pericoronitis of impacted or partially erupted teeth ; often used in conjunction with Amoxicillin

A pilonidal cyst, also referred to as a pilonidal abscess, pilonidal sinus or sacrococcygeal fistula, is a cyst or abscess near or on the natal cleft of the buttocks that often contains hair and skin debris.

Frederick, Prince of Wales is often said to have died of complications after being hit by a cricket ball, although in reality this is not true ; he was hit in the head by one, but the real cause of his death was a burst abscess in his lung.

Lower respiratory tract infection, while often used as a synonym for pneumonia, can also be applied to other types of infection including lung abscess and acute bronchitis.

Giant tonsilloliths may often be mistaken for other oral maladies, including peritonsillar abscess, and tumours of the tonsil.

Antibiotics often have difficulties getting into an abscess, and do not work well because of a low pH ; evacuation through a drainage-channel, on the other hand, will remove a large number of bacteria and thus greatly aid the resolution of the infection.