During an infection, when our immune cells detect foreign invaders such as bacteria or viruses, they release fever-inducing chemicals called pyrogens. These chemicals travel to the brain, where
Source. Frozen Fever is an animated short sequel to the 2013 film, Frozen. The short was announced on September 2, 2014 as part of The Story of Frozen: Making a Disney Animated Classic. It featured "Making Today A Perfect Day", a new and original song written by Kristen Anderson-Lopez and Robert Lopez.
Frozen Fever is the short animation special made for fans of Frozen and it kind of serves as a sequel to the movie. However it is an short film to hold over fans of Frozen. What makes the film works is that Kristen Bell, Idina Menzel, Josh Gad, and Jonathan Groff all return to reprises their respected roles as Anna, Elsa, Olaf and Kristoff.
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what is frozen fever
