428 



SUBJECT INDEX 



Virus interference 

 experimental systems 



myxo viruses and, 173-181 



surviving tissue fragments and, 181 



timing and, 170, 172 

 induction specificity and, 182-184 

 "interferon" and, 183 

 mechanisms, 185-188 



cell association and, 186-187 



superinfecting virus fate and, 187-188 

 overcoming of, 185 

 quantitative analysis of, 160-161 

 quantitative criteria for, 184-185 

 speed and duration of, 184-185 

 tissue culture 



growing cell cultures and, 181-182 



surviving tissue fragments and, 181 

 Virus localization 



insect viruses and, 372, 376 

 Rous' chicken sarcoma and, 98-99 

 Virus release 



adenoviruses and, 141, 142 



herpes B virus and, 141 



herpes simplex virus and, 141 



herpesvirus and, 141 



influenza virus and, 139-140, 142, 214 



inhibition of, 213-214 



mechanism of, 142-143 



mouse mammary tumor and, 100-101 



myxoviruses and, 139-141 



poliovirus and, 93-94, 139, 141 



vaccinia virus and, 141, 142 



varicella virus and, 141, 142 



virus filaments and, 142-143 



western equine encephalitis virus and, 



138-139, 142 

 Virus structure 



influenza viruses, serological variation 



and, 253-254 

 Visceral lymphomatosis virus 

 chickens 



age factors and, 308-309 



genetic factors and, 309 



host-virus relationships and, 309-314 



transmission and, 309 



Western equine encephalitis virus, 3, 6, 



116, 188 

 autointerference and, 168, 181 

 growth of, 134-135 

 hemagglutination and, 40, 41 

 lag period, recoverable infective virus 



and, 114, 120 

 release of, 138-139, 142 

 structure of, 12 

 West Nile encephalitis virus 

 hemagglutination and, 40, 41 

 influenza virus, interference between, 



162, 163 

 Venezuelan equine encephalitis virus, 



interference between, 163 

 yellow fever virus, interference between, 



163 



X irradiation, 318, hypertrophied cells 

 and, 71 



Xerosin 



host protection and, 159 



Rous' sarcoma virus and, 317-318 



Yellow fever virus, 3, 6, 9, 242, 251 

 attenuated vaccine and, 226 

 autointerference and, 168 

 hemagglutination and, 40 

 sequential infection by, 242 

 17 DD yellow fever virus, 183 



interference between, 167 

 dengue encephalitis virus 



immunogenicity suppression and, 161 



interference between, 163 

 influenza virus, interference between, 



163 

 neurotropic yellow fever virus, inter- 

 ference between, 167, 168 

 Rift Valley fever virus, interference 



between, 163 

 Venezuelan equine encephalomyelitis 



virus, interference between, 63 

 West Nile encephalitis virus, interference 



between, 163 



to forms, human influenza A virus and, 25 



Warts Zika encephalitis virus, hemagglutination 



human ceil nuclei and, 101, 105 and, 42 



