| Summary |
Clinical viral samples can be examined by the direct negative staining electron microscopy. However, many viruses, being small in quantity or size or having no or little characteristic morphology, are difficult to be identified by means of the direct negative staining technique.
Immunoelectron microscopy has overcome some of these problems and can facilitate the identification of a virus that is difficult to isolate. The identification of the goose parvo virus and the swine transmissible gastroenteritis virus obtains good results from immunoelectron microscopy.
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