Increased Moraxella and Streptococcus species abundance after severe bronchiolitis is associated with recurrent wheezing.

"Disclosure of potential conflict of interest: J. F. Petrosino owns shares at Diversigen, a microbiome research company. P. A. Piedra provided bronchiolitis-related consultation for Gilead, Novavax, Ablynx, and Regeneron and received grant support from Novavax, Gilead, Regeneron, Janssen, and Ablynx. The rest of the authors declare that they have no relevant conflicts of interest."

"This work was supported by grants U01 AI-087881, R01 AI-114552, R01 AI-108588, R01 AI-137091, and R01 AI-134940 from the 10.13039/100000060National Institute of Allergy and Infectious Diseases and UG3/UH3 OD-023253 from the 10.13039/100000179Office of the Director at the 10.13039/100000002National Institutes of Health (Bethesda, Md). The content of this manuscript is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. Disclosure of potential conflict of interest: J. F. Petrosino owns shares at Diversigen, a microbiome research company. P. A. Piedra provided bronchiolitis-related consultation for Gilead, Novavax, Ablynx, and Regeneron and received grant support from Novavax, Gilead, Regeneron, Janssen, and Ablynx. The rest of the authors declare that they have no relevant conflicts of interest."