Purified FHA from B. pertussis. This product is present as 95% in its original 220 kDa form, with 5% in the reported breakdown products of 140 kDa and 90 kDa.
Purified FHA from B. pertussis. This product is present as 95% in its original 220 kDa form, with 5% in the reported breakdown products of 140 kDa and 90 kDa.