A Phase III Clinical Trail to Evaluate the Efficacy, Safety, Pharmacokinetics and Immunogenicity Characteristics of GR2001 Injection

Inclusion Criteria:

1. Chinese male or female adults aged ≥ 18 years；

2. Participants with suspected tetanus exposure (due to dirty or contaminated woundsfrom various injuries);

3. Participants who provide signed written informed consent form.

Exclusion Criteria:

1. Participants known to be allergic to the investigational medicinal product or thosesuffering from severe allergic conditions；

2. Suspect or diagnosed as tetanus;

3. Previously diagnosed as Immunoglobulin A (IgA) deficiency with anti-IgA antibodies；

4. Prior vaccination history of ≥ 3 doses of tetanus toxoid or tetanus toxoid-containing vaccine;

5. Females who are pregnant or with pregnancy test positive.