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).
Relationship Between Myself My Daughter and My Granddaughter. My daughter has always been posecceive over my granddaughter and she can be very manipulative! My granddaughter is 18 and did a bad thing by taking her 16yr old friend to a place where there was alcohol.