现在,尽管破伤风是比较罕见了,但目前仍建议全部人口作预防接种。北美的大多数老年人从未接受过预防接种。我们采用来自家庭医生邮寄的增加加拿大老年人初级预防接种破伤风疫苗覆盖的单据来作预期的费用效益评价。我们估计,这个工作进行10年后能预防5例破伤风患者和1例死于破伤风的患者,结果能得到13个生命年的效益。由于17％的人对破伤风 Now that tetanus is relatively rare, the entire population is still recommended for vaccination. Most older people in North America have never received vaccination. We used the invoices covered by the family physicians to increase the primary vaccination against tetanus in Canadian primary vaccinations for the expected cost-benefit evaluation. We estimate that this work will prevent 5 cases of tetanus patients and 1 case of tetanus patients after 10 years of life, resulting in the benefit of 13 life years. Since 17% of people have tetanus