title: The release into the environment of genetically engineered viruses, vaccines and viral pesticides.
abstract: Viruses are being developed by genetic engineering procedures for two purposes: as improved vaccines or vectors for inserting foreign genes into a vaccinated hosts, and as improved viral pesticides. Both uses raise environmental issues.
authors.affiliation: NERC Institute of Virology, Mansfield Road, Oxford OX1 3SR, UK.
authors.forename: D H
authors.initials: DH
authors.lastname: Bishop