Potato virus X PVX

For exampie, studies have been conducted on viruses such as adenovirus [20], hepatitis 8 virus, cowpea virus [21], and bacteriophages [22] and piant viruses such as potato virus X [PVX] [23] and tobacco mosaic virus [TMV] [24]. Many virus-iike particies have aiso been studied that behave more or iess iike viruses oniy and are used to make conjugate compiexes in vaccine deveiopment. For instance, hepatitis B core [HBc] virus-iike particie with the diameter of 30-34 nm has been prepared by genetic modifications is used as an effective immune stimuiant [25]. 

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