Fever can support the immune system's attempt to gain advantage over infectious agents, such as viruses and bacteria, and it makes the body less favorable as a host for replicating viruses and bacteria, which are temperature sensitive. Infectious agents are not the only causes of fever, however.
Your sister's grandson is your great nephew. You are his great aunt (if you are a woman) or his great uncle (if you are a man).
Who is Brenna D'Amico. Brenna D'Amico is an actress. She is best known for her role of Jane in the TV movie Descendants. She has also appeared in Descendants: Wicked World. She was born on the laps of Dave and Shannon. She has one sister who is named Aubree. She was born and raised in Chicago, Illinois.