Generalities:

Gram-negative bacteria of group A that forms chains of 4 to 10 cocci. It manifests with respiratory symptoms such as pharyngitis with suppuration accompanied by tonsilitis, lymph nodes, uvula (uvula), presents petechiae (red spots on the palate). The symptoms appear abruptly. It can also cause otitis and / or mastitis.

Another manifestation is presented with skin lesions (impetigo, erysipelas psoriasis) is known as"skin eater".

It also causes blood disorders, attacks erythrocytes and beta-hemolytic effect. It also has several toxins such as streptolysin, pyrogenic toxin, streptokinase, hyaluronidase, streptodornase, etc .; that increase its virulence.

Complications:

Children are more likely to have complications. It can alter the immune system causing: meningitis, rheumatic fever, toxic shock syndrome or glomerulonephritis.

Transmission:

Very contagious: by direct contact; by objects such as plates, glasses, clothes; by air (small drops of saliva)