Editor,—Parvovirus B 19 is a common infection in developed countries with a seroprevalence of 40–60% in young adults.1 The commonest age of infection is 5–14 years. Clinical features of acute infection include erythema infectiosum (slapped cheek syndrome or Vth disease), arthralgia, and fever. It is usually a mild disease, but aplastic anaemia may develop in susceptible hosts and it may cause fetal loss if acquired during pregnancy. Acute infection can be accompanied by autoantibody formation including antinuclear antibodies (ANA) and rheumatoid factor (RF)2and therefore infection may share clinical and serological similarities with early rheumatoid arthritis and juvenile chronic arthritis. Uveitis in young girls usually occurs in association with early onset pauciarticular juvenile chronic arthritis which has a high frequency of ANA in the absence of RF. We report a case of uveitis in a young girl, associated with a transient ANA and RF, and serological evidence of acute parvovirus infection.