What's the difference between strep A and B?

(NEXSTAR) — As flu and RSV move across the U.S. and elsewhere – in addition to COVID-19 – there are increasing concerns about strep throat, and the bacteria that causes it, streptococcus. Like RSV, or respiratory syncytial virus, strep is especially of concern for younger people.Going into winter 2022, the Centers for Disease Control and Prevention says it's looking into a possible surge in invasive Group A strep infections in the U.S.COVID’s lingering impact prompts Real