Measles and Simian Virus, TEM

- Image ID: HRJBKT
Science History Images / Alamy Stock Photo
Transmission electron micrograph reveals both a paramyxovirus measles virus, and virions of the polyomavirus, simian virus SV40. Interest in SV40 has increased in the last several years because the virus was found in certain forms of cancer in humans, for instance mesotheliomas (rare tumors located in the lungs), brain, and bone tumors.