A composition for prophylactic and/or therapeutic medicinal applications, or plant protection applications, in particular for the control of microorganisms, either planktonic or organized in biofilms. The composition includes at least one ion selected from hypohalite, at least one compound selected from lactoferrin, lactoferrin peptide, lysozyme, immunoglobulins or a combination thereof, optionally hypothiocyanite, and optionally at least one growth factor.

Phosphate and arginine-containing compositions and methods of suppressing microbial virulence are provided. By suppressing virulence, administration and/or application of the medical compositions can be used to prevent, mitigate, or treat a microbial infection.

Phosphate and arginine-containing compositions and methods of suppressing microbial virulence are provided. By suppressing virulence, administration and/or application of the medical compositions can be used to prevent, mitigate, or treat a microbial infection.