@bodymation.health: 🦠 What causes strep throat? Strep throat is caused by Streptococcus pyogenes, a bacteria that infects the throat and triggers an immune response. This animation shows how the infection begins and why it leads to pain, redness, and swelling. Follow for more microbiology, health, and science facts. #StrepThroat #StreptococcusPyogenes #Bacteria #Microbiology #HealthFacts