Which specific type of injury or wound serves as the most common portal of entry for Clostridium tetani infection?

The source lists multiple portals because inoculation may occur through different injuries or sites. A complete answer should provide at least five and identify a puncture wound as common. **Key takeaway:** Do not restrict exposure history to a single wound type.\n\n**Glossary:** **Laceration**: a cut or tear in tissue; **inoculation**: introduction of an organism into tissue.