Toxins produced by the nasty streptococci bacteria are released at the site of infection and are absorbed into the infected person’s blood stream.
Who are these color-gifted critters? Hawkmoths. Almut Kelber from Sweden’s Lund University conducted an experiment that showed this surprising result. Imagine a room with a lot of artificial flowers in it, and the only ones with yummy sugar water in them are yellow or blue.