lower respiratory tract infection

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lower respiratory tract infection

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In acute lower respiratory infections (ALRI), predominance of respiratory syncytial virus (RSV) and metapneumovirus (MPV) is observed in Brazil [4] and in other countries [5-7].
8 million new episodes of respiratory syncytial virus--associated acute lower respiratory infection are estimated to have occurred worldwide in children younger than 5 years in 2005.
To be defined as pneumonia, a lower respiratory infection (LRI) must meet both of the following criteria:
If the child is infected with certain strains of respiratory syncytial virus, influenza virus or parainfluenza virus, then it is very common for a lower respiratory infection to occur.
It is known that the most important agents of bronchiolitis and lower respiratory infections in children are RSV, parainfluenza and influenza viruses.
Recommendations for clinical practice This study provides good evidence that routine chest radiography in children with acute lower respiratory infection does not improve outcomes.
pneumoniae accounts for 15%-20% of community-acquired lower respiratory infection in adults (1,5).
Major finding: Forty-three percent of patients with acute lower respiratory infection who tested positive for the respiratory syncytial virus were infants under the age of 7 months, with highest rates occurring May through July (P less than .
5- to 3-fold increased risk of lower respiratory infection compared with unexposed children (McConnochie and Roghmann 1986; Ogston et al.
Such work provides little insight into the nature of MPV lower respiratory infection (LRI) in normal children, which turns out to be overwhelmingly an outpatient illness.
A predictive model can be used to identify children who need a chest x-ray during a work-up for lower respiratory infection, E.
5]), can penetrate deeply into the lungs and appear to have the greatest potential for damaging human health by contributing to respiratory ailments such as acute lower respiratory infection (ALRI).

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