what does streptococcus do
Group A Streptococcus (group A strep, GAS) bacteria can live in a person's nose and throat. The bacteria are spread through contact with droplets from an infected person's cough or sneeze.If you touch your mouth, nose, or eyes after touching something that has these droplets on it, you may become ill.ost group A strep infections are relatively mild illnesses such as strep throat, scarlet fever, and impetigo (a skin infection). Occasionally these bacteria can cause severe and even life-threatening diseases.