Strep Throat: How It Spreads

Strep throat is an acute infection of the oropharyngeal tissues caused by Group A Streptococcus, or Streptococcus pyogenes. It spreads mainly through respiratory droplets that are released when an infected person coughs, sneezes, or talks.

After the bacteria enter the body, they attach to the muc...

Streptococcal pharyngitis, commonly known as strep throat, is caused by the Gram-positive bacterium Streptococcus pyogenes.

The pathogen spreads through respiratory droplets. After entering the host, it attaches to epithelial cells of the throat using surface proteins such as lipoteichoic acid and M protein.

The bacteria also ...