| respiratory viruses associated with severe pneumonia in children under 2 years old in a rural community in pakistan. | the objective of this study was to determine the incidence of respiratory viruses associated with severe pneumonia among children less than 2 years of age in the rural district of matiari in sindh, pakistan. this study was a community-based prospective cohort active surveillance of infants enrolled at birth and followed for 2 years. cases were identified using the world health organization's integrated management of childhood illnesses' definition of severe pneumonia. nasopharyngeal swabs were o ... | 2016 | 27096404 |