Research Article
Long Term Immunity to Hepatitis B Vaccine Among a Sample of Secondary School Students in Damietta
Department of Pediatrics, Faculty of Medicine, Al-Azhar University, Egypt
Hussein M. Abdel Maksoud
Department of Pediatrics, Faculty of Medicine, Al-Azhar University, Egypt
Mohamed A. Hady
Department of Pediatrics, Faculty of Medicine, Al-Azhar University, Egypt
Mekky A. Ali
Department of Clinical Pathology, Damietta Faculty of Medicine, Al-Azhar University, Egypt
Ali N. El- Nawawy
Department of Community Medicine, Damietta Faculty of Medicine, Al-Azhar University, Egypt
Shaimaa M.A. Ahmad
Pediatrics Resident, Damietta Faculty of Medicine, Al-Azhar University, Egypt