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Distribution of infant bronchiolitis episodes with RSV testing and RSV positive bronchiolitis episodes among the PRIMA cohort subset of patients cared for by KPNC, 2006–2009. RSV+ is the number of RSV tested positive bronchiolitis episodes, RSV‐ is the number of tested RSV negative bronchiolitis episodes, %RSV+ is the percent of RSV positive bronchiolitis episodes among tested, and %tested is the percent of bronchiolitis episodes tested
