الفهرس 
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Abstract
Upper respiratory tract infection is one of the most com~on diseases which affect children and it is caused by many microorganisms. These infection include nasopharyngitis
tonsillitis, acute pharyngitis, acute sinusitis and otitis media. There are many predisp~sing factors for upper respiratory
tract infection which may be intrinsic or environmental factors.
The intrinsic factor include age, obesity constit-
utional factors, gestitional age, congenital malformation anatomic obstruction, allergy, nutrition, vitamin deficincy and geneticaJ and metabolic diseases. The environmental factors in the form of quality of maternal care, smoking of parents,
air pollution, social class and unduce exposure to infection.
Upper respiratory tract infection may be caused by many
viruses or bacteria so we in need for simple rapid test for
differentiation between bacterial and viral ifnection for
pr~per use of antibiotic CRP is that test we use in our study
in association with throat swab for culture on ordinary media
and blood sampling f.o r compelet blood picture. CRP is one of acute phase reactant protiens which
increase in response to tissue injury or inflammatory condi-
CRP precipitated by C-polysaccharide of pneumococci.
synthatized by hepatocyte.
The concentration of CRP
reflects the local activity of an inflammation better than