TY - GEN AU - Hope-Simpson,R E TI - The epidemiology of viruses: antigenicity and evolution SN - 0035-9157 PY - 1970///0122 KW - Antigens KW - Disease Outbreaks KW - immunology KW - Epidemiology KW - Herpesvirus 3, Human KW - Humans KW - Measles virus KW - Mumps virus KW - Mutation KW - Orthomyxoviridae KW - Reoviridae KW - Virus Diseases N1 - Publication Type: Journal Article ER -