Glossary

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Acute respiratory lung infections

Acute lower-respiratory infections include pneumonia (infection of the lung alveoli), as well as infections affecting the airways such as acute bronchitis and bronchiolitis, influenza, and whooping cough. Such infections are a leading cause of illness and death in children and adults across the world.

Age standardization

A statistical technique used to make it possible to compare death or disease rates between populations with different age profiles. Without this statistical adjustment, a population that has a larger proportion of people in older age groups, for example, would appear to have a higher rate of people dying from diseases that occur in later life (for example, heart disease) than another population with greater numbers of younger people.

Attributable burden

The share of the burden of a disease that is estimated to occur due to (“attributable to”) exposure to a particular risk factor (for example, the burden of lung disease that results from breathing air pollution versus that from smoking).