Respiratory Tract Infection

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Respiratory tract infection refers to infectious diseases of the sinuses, throat, airways or lungs. Respiratory infections are caused by viruses and bacteria. Respiratory infections are: • Infections of the upper respiratory tract, affecting the nose, sinuses and throat. It includes common cold, tonsillitis (infection of the tonsils and tissues at the back of the throat), sinusitis (infection of the sinuses), laryngitis (infection of the larynx, or voice box) and flu • Infections of the lower respiratory tract, affecting the airways and lungs. It includes flu (this can affect either the upper or lower respiratory tract), bronchitis (infection of the airways), pneumonia (infection of the lungs), bronchiolitis (an infection of the small airways that affects infants and children younger than two) , tuberculosis (persistent bacterial infection of the lungs). Children are more prone to respiratory infections than adults because they do not have the immunity to these infections. Acute respiratory infections (ARIs) are the third largest cause of mortality throughout the world. It is among the most important cause of mortality in low- and middle-income countries. Morbidity and mortality due to ARIs utilizes a fraction of governmental resources. Peter Baldini, Chief Executive Officer, World Lung Foundation said, "We know that at least four million people die from ARIs, yet the global health community does not even recognize them as a distinct disease group," During 2000 to 2003,
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