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A throat culture is the gold standard [21] for the diagnosis of streptococcal pharyngitis, with a sensitivity of 90–95%. [13] A rapid strep test (also called rapid antigen detection testing or RADT) may also be used. While the rapid strep test is quicker, it has a lower sensitivity (70%) and statistically equal specificity (98%) as a throat ...
Up to 15% of acute pharyngitis cases may be caused by bacteria, most commonly Streptococcus pyogenes, a group A streptococcus in streptococcal pharyngitis ("strep throat"). [11] Other bacterial causes are Streptococcus pneumoniae, Haemophilus influenzae, Corynebacterium diphtheriae, Bordetella pertussis, and Bacillus anthracis [citation needed].
Pharyngitis is a type of upper respiratory tract infection. [7] Most cases are caused by a viral infection. [2] Strep throat, a bacterial infection, is the cause in about 25% of children and 10% of adults. [2] Uncommon causes include other bacteria such as gonococcus, fungi, irritants such as smoke, allergies, and gastroesophageal reflux disease.
An estimated 1 to 10% of the cases are caused by Epstein-Barr virus. [15] Tonsillitis can also stem from infection with bacteria, predominantly Group A β-hemolytic streptococci , which causes strep throat. [1] [14] Bacterial infection of the tonsils usually follows the initial viral infection. [15]
This disease is most common among horses, guinea pigs, dogs, cats, and fish with symptoms varying based on the streptococcal species involved. [1] In humans, this disease typically involves a throat infection and is called streptococcal pharyngitis or strep throat.
Strep throat is caused by the bacteria Streptococcus pyogenes, or group A streptococcus. "These bacteria are contagious and can be spread through droplets when someone coughs or sneezes or through ...
Other causes include other bacterial infections (such as group A streptococcus or streptococcal pharyngitis), trauma, and tumors. [3] Gastroesophageal (acid) reflux disease can cause stomach acid to back up into the throat and also cause the throat to become sore. [5] In children, streptococcal pharyngitis is the cause of 35–37% of sore ...
Experts are warning of a rise in cases of strep throat, which caused severe complications—and even death—for some children in the US during the 2022-2023 cold and flu season.. According to ...