Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
In vitro evaluation of antibody-mediated neutralization of TcdB. Serum samples from immunized mice (n = 5) were incubated with purified TcdB and then mixed with Vero cells. Cytotoxicity was assayed by lactate dehydrogenase (LDH) assay. No significant differences were detected between each immunized group. All data are representative of three independent experiments.
