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Transmission electron micrographs of PFV1 virions. (A) Purified virions. (B) Virions in a P. arsenaticum 2GA cell. (C) Virions in the process of egress from a lysed P. arsenaticum 2GA cell. Negative stain with 2% uranyl acetate. (Scale bars: 100 nm in A; 1,000 nm in B and C.)
