Gardasil 裏頭肯定沒有味精，含鋁是因為氫氧化鋁是

使疫苗能夠在體內引起免疫係統對 HPV 產生更多的抗體從而不被 HPV 感染。
自從有人質疑疫苗的安全性後，大部分疫苗已不再加 Thimerasol (含汞的防腐劑)，加福爾馬林是為了將病毒殺活。自閉症有很多可能成因，有遺傳，有環境因素，和現在人們晚婚晚育也可能有關。但很多peer reviewed research results already prove MMR does not cause autism. But the mis-information is so widely spread, many refuse to vaccinate their children and cause out breaks that kill quite a few children.
Back to HPV, the recent reports of celebrities such as Michael Douglas and JP Morgan CEO that have throat cancer could have been caused by HPV as well. It's well known that men are HPV carriers.
By the way, if anyone is over 50 and had chicken poxbefore, you might be prone to develop shingles which I heard is really nasty. If it happens to be in the eyes, you could even go blind. Saw one commercial about the shingle vaccine, the picture of someone having shingles was really awful.