How are group A Streptococcus spread?
These bacteria are spread by direct contact with body fluids, such as secretions from the nose and throat or a wound of an infected person. Casual contact (as in work and school) and household items (like plates, cups, toys, etc.) rarely play any role in spreading the bacteria. The risk of spread of GAS is greatest when an individual is ill – people who carry the bacteria but have no symptoms are much less contagious. An infected person is no longer contagious after they have been treated with an appropriate antibiotic for at least 24 hours; however, it is important to take all of the antibiotics as prescribed. Why does invasive group A Streptococcus disease occur? Invasive group A Streptococcus disease occurs when the bacteria get past the body’s defenses. This may happen when a person has sores or other breaks in the skin. Some health conditions that affect a person’s immunity also make invasive disease more likely. In addition, certain strains of GAS are more likely to cause severe
