Anaerobic gram-positive, spore-forming bacilli.
Spores widely distributed in soil and intestines and feces of animals. No herd immunity and not transmitted from person-to-person.
Unvaccinated or incompletely vaccinated individuals with deep wound.
Generalized (80% of cases)
Abnormal heart rhythm
Deep wound with necrotic tissue highest risk.
Children <7 years should receive DTaP or DT vaccine
Adults & adolescents should receive a single dose of Tdap, and routine booster immunization every 10 years
CDC. The Pink Book - Tetanus. December 2020. https://www.cdc.gov/vaccines/pubs/pinkbook/tetanus.html