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Group A β-hemolytic streptococcus is a bacterium that lives on the surface of the nose, throat and skin of humans. It causes such diseases as tonsillo-pharyngitis, lower respiratory tract infections, whooping cough, impetigo, meningitis, endocarditis, arthritis and others. 20-40% of tonsillo-pharyngitis are of streptococcal origin. Cases of streptococcal tonsillo-pharyngitis are more common in children aged 5 to 15 years. The causative agent is spread both by air-droplet (coughing, sneezing, talking) and by contact (touching infected surfaces, close contact with infected people, using their personal belongings). In untreated cases, complications develop in the form of rheumatic fever, glomerulonephritis, streptococcal abscesses.
Streptococcal infection is characterized by such symptoms as:
The golden standard of diagnostics is the rapid test of group A β-hemolytic streptococcus, which identifies the streptococcal antigen (protein) by immunochromatographic method, which allows to diagnose the disease in 15-30 minutes. Throat smear is the research material for tonsillo-pharyngitis.
A throat swab culture study is also used. A streptococcal culture confirms a streptococcal infection. Research time 24-48 hours.
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