Age as a factor in streptococcosis

Acute post-streptococcal glomerulonephritis in a 14-month-old boy: why is this uncommon?

“…In addition, the rates of carriage and colonization have also been shown to vary by age, being highest in children 5-10 years of age [7]. This directly parallels the variability in clinical symptoms seen in younger versus older children recognized and described even by early researchers [8]. The typical manifestations of streptococcal infections in children under 3, previously called streptococcosis, include fever, mild coryza, cervical adenopathy and occasionally a diffusely reddened pharynx, while infection in older children and adults manifests with acute pharyngitis [8].…”

Invasive group A streptococcal infections in childhood: Experience in North Yorkshire

“…The patient's age has been proposed as an important factor determining the incidence, clinical features and outcome of GAS infection [11,25]. Many studies have shown that the highest incidence of invasive GAS infection occurs in the very young and the elderly, while the lowest is generally found in later childhood and adolescence [1,7,9,14].…”

“…M.R.D.Barnham, N.C. Weightman / International Congress Series 1289 (2006)[23][24][25][26][27][28][29] …”

Treatment of Group A Beta-Hemolytic Streptococal Upper Respiratory Tractinfections With Penicilline Derivates in Children

“…Tepecik Hastanesi Çocuk Polikliniklerine 14.02.1990 -12.11.1990 tarihleri arasında ba~Vtıran ve akut "Üst solunum yolu enfeksiyonu" tanısı olan 4-14 ya:~ları arasındaki 337 olgu, çalı~mamız kapsamına alınmı~ ve boğaz kültüründe ve/veya strep A enzim immunoassay ile A grubu beta-hemolitik streptokok tespit edilen 237 tanesi 4 deği~ik penisilin derivesinin (prokain penisilin, kombine penisilin, penisilin V, benzatine penisilin) olu~turduğu Komplikasyonları ile önem kazanan streptokokkal farenjit en sık 4 -14 yaşları arasında görülmektedir (2,7,13). Çalışma mızda üst solunum yollarmdaA grubu beta -hemolotik streptokok saptadığımız 237 olgumuzun ortalama yaşı S,OS ( + 1-2,92)' dir.…”