{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Adenoviruses belong to the family adenoviridae. Adenovirus was first isolated in human adenoids (tonsils), from which the name is derived. Adenoviruses infect both humans and animals, and are classified as group I under the Baltimore classification scheme. Adenoviruses are medium-sized (60-90 nm), non-enveloped icosahedralviruses containing double-stranded DNA."}]}]}