الفهرس 
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Abstract
This cross-sectional study was designed to screen children with respiratory symptoms for influenza A virus infection in post winter season, which correspond to May through September 2010 in El Fayoum governorate using one step influenza A rapid test.
In present study 23/60(38.3%) were diagnosed as upper respiratory tract infections and 37/60 (61.7%) were diagnosed as lower respiratory tract infections.
In this present study 28/60 (46.7%) were positive for influenza A and 32/60 (53.3%) were negative for influenza A rapid diagnostic test.
Cough, fever and rhinorrhea are the most common symptoms observed in the influenza A positive children, while sibilant rhonchi and crepitation are the most common signs.
The radiological finding of the influenza A positive virus showing increased bronchovascular marking and hyperinflated chest.
IN CONCLUSION Children with influenza A presented with significantly more symptoms of lower respiratory infection than children with seasonal influenza. The clinical influenza attack rate was high in both pandemic and seasonal years. Egypt has high incidence of influenza A virus throughout the year.
The use of rapid testing for influenza A in children presenting with fever and ILI with no obvious focus of infection in the emergency department during the influenza season, significantly reduces the number of laboratory tests and charges in the subset of children testing positive for influenza.