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).
Example 2: A friend asked me to help him figure out what relationship he was to his motherâs auntâs great-grandson. On the above chart, youâd place my friend at B2, his mother at B1, and her aunt at C0. Therefore the auntâs great-grandson is at C3. My friend B2 and his relative C3 are second cousins once removed.