A concerning increase in global rates of severe invasive infections becoming resistant to key antibiotics has a team of infectious disease researchers at the Houston Methodist Research Institute studying a recently emerged strain of bacteria called Streptococcus dysgalactiae subspecies equisimilis (SDSE). SDSE infects humans via the skin, throat, gastrointestinal tract and female genital tract to cause infections ranging in severity from strep throat (pharyngitis) to necrotizing fasciitis (flesh-eating disease).