Antithyroid antibodies and thyroid dysfunction in Saudi children with Down syndrome.

Fifty children (ages seven months to nine years) with Down syndrome compared with age and sex matched controls were tested for antithyroid antibodies. Seven (14%) of the Down group were found to b seropositive; six (12%) for antimicrosomal antibodies; three for both antimicrosomal and antithyroglobulin; none was positive for antithyroglobulin alone. All the control group were seronegative and had no clinical evidence of thyroid disease.

National serosurvey of post vaccination poliovirus antibody in Saudi Arabia.

This is a national seroprevalence study conducted in Saudi Arabai in 1991G to determine postvaccination poliovirus antibody. Two hundred and nine children vaccinated with three oral polio vaccines at three, four, and five months of age were included in the study representing the five main regions in Saudi Arabia. Blood samples were collected at the age of nine months.

The spectrum of acute Epstein-Barr virus infection in Saudi children.

Most of the primary infections caused by Epstein-Barr virus in children are asymptomatic. In symptomatic patients, clinical presentation is variable. We describe 33 patients admitted to Suleimania Children's Hospital, Riyadh from 1409 too 1411H (1988 to 1990G) with acute primary infection caused by Epstein-Barr virus.