Volume 27, Number 10—October 2021
Research
Fatal Cowpox Virus Infection in Human Fetus, France, 2017
Figure 3

Figure 3. Electron microscopy images of cowpox virus CPXV-54-1716-France (CPXV-like 2), obtained from a pregnant woman in France, 2017. A) Ultrathin sections of BHK-21 cell at 42 hours after infection. Arrow indicates a typical inclusion in the cell cytoplasm. Original magnification ×4,600. B) Higher magnification of BHK-21 cell in panel A. Original magnification ×46,000. C) Ultrathin section of a BHK-21 cell with typical viral factories near the nucleus. Arrows indicate incomplete viruses. Original magnification ×10,500. D) Extracellular-enveloped viruses (arrow). Original magnification ×10,500.
1These authors are co–first authors.