Existing HPV vaccines can prevent up to 70% of cervical cancer cases, and new vaccines are in the pipeline that will improve this record further. Likewise, hepB vaccines are 95% effective at preventing infection and its chronic consequences.
好消息是，已经存在强大的工具防止大量此类死亡。现有HPV疫苗可以防止最多70%的子宫癌，研发中的新疫苗还能进一步提高这一纪录。类似地，乙肝疫苗在预防乙肝传染及其慢性后果方面的有效性高达95%。