Can everyone get tetanus?
Nov 05, 2025
Source: Cainiu Health
Dr. Wang Lei
Introduction
Cases in which tetanus will not occur are typically those with superficial, clean wounds that have been promptly and properly treated—such as rinsing with water and disinfection—and in which the individual has sufficient antibody levels (for example, having received the tetanus vaccine and still being within the protective period). In such cases, Clostridium tetani bacteria are unlikely to multiply or cause infection, the body can resist bacterial invasion, and no clinical symptoms of disease will appear.
Generally, not everyone will develop tetanus. The disease only occurs when a wound is contaminated with *Clostridium tetani* bacteria and proper preventive measures are not taken. If in doubt, it is recommended to seek medical advice promptly. Specific analysis is as follows:
Cases in which tetanus does not occur are typically those involving superficial, clean wounds that have been promptly and properly treated—such as thorough rinsing with water and disinfection—and where the individual has sufficient antibody levels (for example, having received a tetanus vaccine within its protective period). In such cases, *Clostridium tetani* cannot easily multiply or cause infection, and the body can resist bacterial invasion, thus preventing any symptoms of illness.
Situations in which tetanus may occur usually involve deep, heavily contaminated wounds (such as those caused by rusty metal, soil, or fecal matter) that are not promptly cleaned or disinfected, and where the person has either not been vaccinated against tetanus or the vaccine's protection has expired. Under these anaerobic (low-oxygen) conditions, *Clostridium tetani* can multiply rapidly and release toxins, leading to symptoms such as muscle stiffness and spasms. Severe cases can be life-threatening.
After sustaining a deep or contaminated wound, prompt medical attention is essential. Follow the doctor’s recommendations regarding tetanus vaccination or administration of tetanus antitoxin to prevent infection due to inadequate prevention.
