Nosocomial Buffalopoxvirus Infection, Karachi, Pakistan
Figure 1. Nosocomial buffalopoxvirus infection of patients in burns units. A) Lesions involving intact skin around a burn wound and the wound itself. B) Lesions around an insertion site for an intravenous line. C) Orthopoxvirus particles detected by electron microscopy (EM) examination of negatively stained grids prepared from pustular material (magnification ×73,000). D) Transmission EM examination of ultrathin sections of infected Vero cell cultures showing classic intracytoplasmic orthopoxvirus factories and maturing virus particles (magnification ×21,000).