Pneumonia is an acute respiratory illness and most common infectious cause of death worldwide accounting 14% of all deaths of children under 5 years of age that is around 740,180 children in 2019.Pneumonia affects all age groups everywhere but, death is highest in southern Asia and sub-Saharan Africa which is more than 70% and it occurs mostly in developing countries.Since 1990 the child mortality of age under 5 years had declined by 56%, but pneumonia is still main reason of child mortality worldwide.Although the implementation of safe, effective and affordable interventions has reduced pneumonia mortality from 4 million in 1981 to just over one million in 2013, pneumonia still accounts for nearly one-fifth of childhood deaths worldwide.
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