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).
What is the relationship of my nephews (my sister's sons) to my husband's niece (his sister's daughter)? Winnie makes it easier for parents to help each other. Connect with a network of moms & dads, discover new things to do with your kids, get inspiration & more.