TY - GEN AU - McLean,A R TI - Vaccination, evolution and changes in the efficacy of vaccines: a theoretical framework SN - 0962-8452 PY - 1996///0325 KW - Child KW - Communicable Diseases KW - epidemiology KW - Cross Reactions KW - Disease Susceptibility KW - Humans KW - Immunization KW - Mathematics KW - Models, Statistical KW - Reproduction KW - Superinfection KW - immunology KW - Vaccination KW - Vaccines N1 - Publication Type: Journal Article UR - https://doi.org/10.1098/rspb.1995.0164 ER -