This is a letter published in the Correspondence section of this journal and written in response to a study by Legg and coworkers about immune responses in infants with respiratory syncytial virus (RSV) infection published in Am. J. Respir. Crit. Care Med. 2003;168:633–639.
Dheda, K.; Huggett, J.F.; Kim, L.U.; Zumla, A. Type 2 Cytokines in Respiratory Syncytial Virus Bronchiolitis. American Journal of Respiratory and Critical Care Medicine (2004) 169 (10) 1167-1168.