A transient nodule may develop at the injection site, lasting a few weeks. Highest in 1924 with 9,000 cases that year. Now 2-5 reported cases per year, none reported in 1996. Tetanus Bacteria present in soil and animal faeces. Causes painful muscular contractions and convulsions.
Risk is greatest for the very young or old.
See above side effects of DTaP vaccine. Local erythema and swelling not uncommon with adult boosters, and increasing with age. Peripheral neuropathies have been rarely reported. Average 40-50 deaths per year. 3-5 cases per year reported, only 5 deaths in the last 18 years and none since 1991.