A University of Edinburgh study has shown a common virus that causes wheezing and pneumonia claims the lives of up to two hundred thousand children worldwide each year.
The study, published in the Lancet, also showed that about 3.4 million children require hospital treatment for severe lung infection caused by the bug - respiratory syncytial virus (RSV).
AdvertisementRSV - which infects most children before the age of two - usually causes mild cold-like symptoms, but can lead to serious illness in babies who are born prematurely or who have congenital heart disease.
The study confirms that RSV is the single largest cause of lung infection in children.
Dr Harish Nair, of the University of Edinburgh's Department of Population Health Studies, said: "Our greatest hope of fighting this virus is to develop a vaccine, but before we can implement an immunisation programme, we need to understand exactly how big a problem RSV poses.
"This is the first time we have gathered information on such a global scale and is the best estimate we have for the number of children dying each year from this preventable illness."
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