In Vitro Inactivation of Respiratory Viruses and Rotavirus by the Oral Probiotic Strain Weissella cibaria CMS1


oraticx research article oral probiotics



Source: Probiotics and Antimicrobial Proteins / s12602-022-09947-z / SCIE / In vitro

Authors: Mi‑Sun Kang1  · Geun‑Yeong Park1 


Weissella cibaria CMS1 (oraCMS1) has been commercially used in Korea as an oral care probiotic for several years. Human respiratory syncytial virus (RSV) and the influenza A virus (H1N1) are representative viruses that cause infantile lower respiratory tract infections. Rotavirus A (RVA) is the most common cause of diarrhea in infants and young children.



Our study showed that oraCMS1 exerted antiviral effects against RSV, H1N1, and RVA in vitro. Thus, this probiotic can help prevent respiratory tract diseases and enteritis as oraCMS1 was shown to have a prophylactic potential against RV and RVA infections.


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