The lockjaw or tetanus is triggered by contaminated wounds.
The pathogen of tetanus is Clostridium tetani.
The incubation period is 3-21 days. The correct name of lockjaw is tetanus.
After the incubation period shows the following illness:
The first show flu-like symptoms. Then there may be a lockjaw coming.
The mouth can not be opened. Muscle tension in the body occur, even to the vertebral fractures can lead.
A tetanus vaccination is recommended.

Tetanus incubation: 3-21 days.
Lockjaw incubation: 3-21 days.