Certain viruses have been isolated in crytalline form and have been found to be_____________?
The presence of Which of the following factors in viruses makes protective vaccines a possibility ?
Herpes virus_____________?
Pigs are important source of_____________?
True about prions________________?
Incubation pariod of herpes zoster is________________?
In which of the following immunization is given after infection is started________________?
Both intranuclear and intracytoplasmic inclusions are present in which of the following viruses_____________?
Human immune deficiency virus is ________________ virus?
Influenza is caused by_____________?