Introduction Strep throat is a common and highly contagious infection caused by Group A Streptococcus (GAS) bacteria. It spreads easily, particularly in schools, homes, and crowded environments, affecting children most often but also adults. While antibiotics are highly effective at treating the infection, understanding how contagious strep is—and how to stop it from spreading—is crucial for protecting yourself and others. This article explores how strep spreads, its incubation period, signs of contagiousness, and the most effective prevention strategies to contain the infection. What Is Strep Throat? Strep throat is a bacterial infection that causes inflammation in the throat and tonsils.…