FIG. 2.
Lassa virus-like particles produced by expression of Z. At 24 h posttransfection of COS-7 cells (B and C) or 293T cells (D) with pCLV-Z, pleomorphic particles were seen budding from the plasma membrane. (A) Control COS-7 cells. EM was performed as described previously (16). Bars, 300 nm.