Serum opacity factor (SOF) is a virulence determinant expressed by a number of streptococcal and staphylococcal varieties including both human being and pet pathogens. for coronary disease. 1. Intro Serum opacity element (SOF) was initially found out in 1938 from the Australians Ward and Rudd [1] like a substance made by group A streptococci that… Continue reading Serum opacity factor (SOF) is a virulence determinant expressed by a