India, June 7 -- The World Health Organisation (WHO) recently issued recommendations, including the effective use of immunisation products, to protect infants against Respiratory Syncytial Virus (RSV), which causes acute lower respiratory infections in children and can become life-threatening.

RSV, one of the leading causes of under-five mortality globally (which refers to the death of children before their fifth birthday, typically expressed as a rate per 1,000 live births), is responsible for around 1 lakh deaths and over 3.6 million hospitalisations in children under the age of five every year, according to the United Nation health body.

About half of these deaths occur in infants younger than six months of age. The vast majority (97...