Background: Helicobacter pylori (H. pylori) was identified in dental plaque, raising the possibility
of future gastritis and peptic ulceration. Objective: This trial was to study the association …

Objective To record and update the sero-epidemiological status of Hepatitis A virus in Eastern
Saudi Arabia. To investigate the main viral etiology of clinical hepatitis in children and …

… FATHALLA' Regional Laboratory and Blood Bank, Dammam, Saudi Arabia,' and National
Collection of Type Cultures, Central Public Health Laboratory, London NW9 5HT, England2 …

Objective: To determine the possibility of any association between HBV, HCV, elevated
aminotransferase enzymes and Oral Lichen Planus (OLP) patients in Eastern Saudi Arabia. …

Objective Hepatitis C virus (HCV) infection with concurrent Schistosoma mansoni infestation
has emerged as a major cause of chronic liver disease and liver cirrhosis. The aim of this …

Four hundred and eleven (411) confirmed hepatitis B surface antigen (HBsAg) positive
individuals were tested for hepatitis delta antibodies (anti HDV) by the enzyme immunoassay …

Isolates of Bordetella pertussis and upper respiratory tract infection (URTI) viruses from
nasopharyngeal secretions were studied in 100 Egyptian children with whooping cough. …

MATERIALS AND METHODS We collected 40,013 blood specimens from apparently healthy
blood donors from July 1995 to December 1997. The Dammam Regional Laboratory and …

Background: Most acute respiratory tract infections (ARTIs) in children are due to viral
etiology; however, overprescribing of antibiotics for ARTIs is common. Aim: To develop a …

Hepatitis B surface antigen (HBsAg) prevalence and the hepatitis B virus (HBV) profile pattern
in Eastern Saudi Arabia were examined in 1985-97. Seroconversion after HBV vaccination…