Generally speaking, rotavirus infection seldom causes fever, but in some cases it can also cause low-grade fever, which is due to the fact that after rotavirus infection. The number of stools in children is often very high, up to ten or even dozens of times a day. Due to the high number of stools, the inflammation in the intestinal tract of children is often not able to accumulate, which rarely causes fever in children, but if the viremia caused by rotavirus infection in children is more serious, it may also cause low-grade fever. In summary, rotavirus infection may cause fever, but the chance is not very high, and if it does, the fever is often low.