nonoccluded virus

non·oc·clud·ed vi·rus

a virus not inclosed in an inclusion body, usually with reference to an insect virus.
References in periodicals archive ?
WSD is caused by white spot virus (WSV or WSSV) a rod-shaped, double-stranded DNA nonoccluded virus that belongs to a new family of viruses (Nimaviridae) infecting crustaceans (Marks et al.