sentence: Rotaviruses are very small.
sentences_before: Like most viruses, rotaviruses are made from RNA and protein. The RNA carries the genes that are used to make more rotaviruses. Rotaviruses get into the body through the mouth and are not present in the air like the viruses that cause colds. The disease is most often spread by dirty hands and things used for cooking, but the viruses can contaminate water.
concept_name: rotavirus
headings: Rotavirus
categories: Diseases caused by viruses Viruses