Foto de stock - Transmission electron micrograph TEM of variola viruses, magnification 370,000x. This DNA virus is a Poxvirus genus orthopoxvirus that causes smallpox.

Imagen: Transmission electron micrograph TEM of variola viruses, magnification 370, 000x. This DNA virus is a Poxvirus genus orthopoxvirus that causes smallpox.

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