The most commonly detected pathogens in patients with bronchiolitis were as follows: RSV (48.9%), HRV (25.9%), HMPV (13.0%), MP (14.6%), HBoV (12.1%), B. pertussis (7.1%), PIV III (7.0%), ADV (1.1%), and PIV I (1.1%). The gene discussed is PPP1CB; the disease is bronchiolitis.