Figure 3. TEM observation results of field moribund
11 months old so shell turtles (2009). Under
electron microscope observation, the poxvirus-like
particles were found to be large and ovoid-shaped.
The virions possessed envelopes (white arrows)
(bar = 100 nm; primary magnification, 150,000×)
(A). The surface of the intracellular mature virus
particle contains surface tubules (white arrows)
(bar = 200 nm; primary magnification, 120,000×)
(B).