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Erysipelas (/ ˌ ɛ r ə ˈ s ɪ p ə l ə s /) is a relatively common bacterial infection of the superficial layer of the skin (upper dermis), extending to the superficial lymphatic vessels within the skin, characterized by a raised, well-defined, tender, bright red rash, typically on the face or legs, but which can occur anywhere on the skin.
A few years later the bacterium was recognised as the cause of erysipelas in pigs and in 1884 the organism was first established as a human pathogen. [2] [3] In 1909, the genus was named Erysipelothrix. In 1918 the name Erysipelothrix rhusiopathiae was introduced and in 1920 it was designated as the type species of the genus. [4]
In humans, Erysipelothrix rhusiopathiae infections most commonly present in a mild cutaneous form known as erysipeloid [1] or fish poisoning. [2] E. rhusiopathiae can cause an indolent cellulitis, more commonly in individuals who handle fish and raw meat. [3] Erysipelothrix rhusiopathiae also causes Swine Erysipelas. It is common in domestic ...
In humans, E. rhusiopathiae infections are termed erysipeloid. Erysipelothrix tonsillarum has been described as a pathogen for dogs and has been isolated from the tonsils of healthy pigs and cattle. [7] Disease caused by E. inopinata or E. larvae has not been described.
Around 95% of people are better after 7 to 10 days of treatment. [2] Those with diabetes, however, often have worse outcomes. [10] Cellulitis occurred in about 21.2 million people in 2015. [7] In the United States about 2 of every 1,000 people per year have a case affecting the lower leg. [1] Cellulitis in 2015 resulted in about 16,900 deaths ...
With treatment, most people will recover, [1] but an immunocompromised status and systemic infection carry a worse prognosis. [1] S. schenkii, the causal fungus, is found worldwide. [1] The species was named for Benjamin Schenck, a medical student who, in 1896, was the first to isolate it from a human specimen. [8]
S. pyogenes is the cause of many human diseases, ranging from mild superficial skin infections to life-threatening systemic diseases. [2] The most frequent manifestations of disease are commonly known as scarlet fever. Infections typically begin in the throat or skin. The most striking sign is a strawberry-like rash.
Impetigo is a contagious bacterial infection that involves the superficial skin. [2] The most common presentation is yellowish crusts on the face, arms, or legs. [2] Less commonly there may be large blisters which affect the groin or armpits. [2]