Kids Home > Is Strep Throat Contagious?
Group A streptococcus bacteria cause strep throat, a contagious throat infection. These bacteria can be spread from one individual to another through direct contact with infected fluids, or by touching a contaminated surface. Once someone has become infected with these bacteria, it takes about two to four days before symptoms appear.
Strep Throat -- Is It Contagious?Strep throat is a throat infection caused by group A streptococcus bacteria (also known as GAS or Streptococcus pyogenes).
- Children between the ages of 5 and 15
- Certain settings, such as schools, dormitories, households, and daycare centers
- Certain times of the year (late fall, winter, and early spring).