In Pictures: Americaâs Safest Cities. Henderson, Nev., takes the No. 2 spot despite its location within the Metropolitan Statistical Area of Las Vegas-Paradise, which ranked ninth this year on Forbesâ list of Americaâs Most Dangerous Cities.
Use in Cancer. Recombinant human papillomavirus (HPV) quadrivalent vaccine is approved to prevent some conditions caused by certain types of HPV. It is used in males or females aged 9 to 26 years to prevent the following: 1  Anal cancer.2  Cervical cancer. 3  Vaginal cancer.4  Vulvar cancer.ecombinant human papillomavirus (HPV) quadrivalent vaccine is approved to prevent some conditions caused by certain types of HPV. It is used in males or females aged 9 to 26 years to prevent the following: 1  Anal cancer. 2  Cervical cancer. 3  Vaginal cancer. 4  Vulvar cancer.
1 CDC recommends that everyone 6 months of age and older get a seasonal flu vaccine. 2  Keep in mind that vaccination is especially important for certain people who are high risk or who are in close contact with high risk persons. The quadrivalent flu vaccine protects against four flu viruses; two influenza A viruses and two influenza B viruses. 2  The following quadrivalent flu vaccines are: 3  a standard dose quadrivalent shot. 4  One brand is approved for people 6 months and older while others are approved for those 3 years and older.