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Post-streptococcal glomerulonephritis (PSGN) is an uncommon complication of either a strep throat or a streptococcal skin infection. It is classified as a type III hypersensitivity reaction. Symptoms of PSGN develop within 10 days following a strep throat or 3 weeks following a GAS skin infection. PSGN involves inflammation of the kidney.
However, both Streptococcus dysgalactiae and the Streptococcus anginosus group can possess group A antigen as well. Group A streptococci, when grown on blood agar, typically produce small (2–3 mm) zones of beta-hemolysis, a complete destruction of red blood cells. The name group A (beta-hemolytic) Streptococcus is thus also used. [1]
Main Streptococcus groups are included as "Strep." at bottom left. In clinical practice, the most common groups of Streptococcus can be distinguished by simple bench tests, such as the PYR test for group A streptococcus. There are also latex agglutination kits which can distinguish each of the main groups seen in clinical practice.
Middle ear infection, associated with earache and a high temperature. Invasive strep A infections This is a more dangerous infection caused by strep A, where the bacteria is present deeper inside ...
Health agencies are issuing warnings to parents about invasive group A streptococcus (iGAS), a common bacterium that usually causes mild illness but can sometimes result in severe cases and even ...
Group A Streptococcus (Group A Strep or Strep A) bacteria can cause many different infections. The bacteria are commonly found in the throat and on the skin, and some people have no symptoms.
Streptococcosis has been shown to have serious consequences on Aquaculture industries around the world as a result of various streptococcal-based infections in marine and freshwater organisms. [9] Streptococosis in fish specifically has proven to be a public health concern due to the zoonotic capabilities of streptococcal infections and ...
Invasive strep infections caused by Group A bacteria are on the rise across the globe. Learn what invasive Group A strep is and why rates are so high this year.