TY - GEN AU - Bonanni,Paolo TI - Vaccination and risk groups: how can we really protect the weakest? SN - 1554-8600 PY - 2008///0226 KW - Adolescent KW - Aged KW - Child KW - Child, Preschool KW - Health Services Needs and Demand KW - Hepatitis B Vaccines KW - administration & dosage KW - Humans KW - Immunization Programs KW - standards KW - Immunization Schedule KW - Influenza Vaccines KW - Pneumococcal Vaccines KW - Vaccination KW - methods N1 - Publication Type: Journal Article UR - https://doi.org/10.4161/hv.3.5.4351 ER -