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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 ...
A case of strep throat. Streptococcal pharyngitis or strep throat is caused by a group A beta-hemolytic streptococcus (GAS). [20] It is the most common bacterial cause of cases of pharyngitis (15–30%). [19] Common symptoms include fever, sore throat, and large lymph nodes. It is a contagious infection, spread by close contact with an infected ...
The two most prominent infections of GAS are both non-invasive: strep throat (pharyngitis) where it causes 15–30% of the childhood cases and 10% of adult cases, and impetigo. [4] These may be effectively treated with antibiotics. Scarlet fever is also a non-invasive infection caused by GAS, although much less common.
Pneumococcal infection is an infection caused by the bacterium Streptococcus pneumoniae. [1]S. pneumoniae is a common member of the bacterial flora colonizing the nose and throat of 5–10% of healthy adults and 20–40% of healthy children. [2]
With the conjugate vaccine about 10% of babies develop redness at the site of injection, fever, or change in sleep. [1] Severe allergies are very rare. [1] Whole-cell vaccinations were developed alongside characterisation of the subtypes of pneumococcus from the early 1900s. [5] The first pneumococcal vaccine was developed in the 1980s. [1]
An upper respiratory tract infection (URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose, sinuses, pharynx, larynx or trachea. [ 3 ] [ 4 ] This commonly includes nasal obstruction, sore throat, tonsillitis , pharyngitis , laryngitis , sinusitis , otitis media , and the common cold .
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 ...
Streptococcus pneumoniae is the most common bacterial cause of pneumonia in all age groups except newborn infants. Streptococcus pneumoniae is a Gram-positive bacterium that often lives in the throat of people who do not have pneumonia. Other important Gram-positive causes of pneumonia are Staphylococcus aureus and Bacillus anthracis.