Research on a vaccine for Streptococcus pyogenes, also known as Group A Streptococcus, is ongoing, with scientists identifying potential antigenic targets and studying the evolutionary dynamics of the bacteria. Some studies have investigated the potential for vaccine candidates to induce autoimmune responses, with findings suggesting that they may not elicit certain negative reactions. The development of a vaccine could potentially aid in the eradication of related diseases, such as rheumatic heart disease.