An 8-year old boy presented to his pediatrician with a low-g…
An 8-year old boy presented to his pediatrician with a low-grade fever and a bright red rash on his chest, which developed two days after he complained of a painful sore throat. Pus was present over the tonsillar area of the throat, nearby lymph nodes were slightly swollen and his tongue was red. Bacteria were cultured from a throat swab on blood agar and a gram stain was performed. Beta-hemolysis was present on the blood agar plate and gram staining revealed the presence of gram positive cocci in chains. A. What disease does this patient have? B. Name the bacterium (genus and species) that caused her condition. C. Explain your reasoning. D. List the toxin associated with the development of the rash. E. Aside from culturing and staining, explain how this is diagnosed.