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598753348

Cowpox virus, used for the preparaton of a smallpox vaccine (TEM). Electron micrograph of a Vaccinia Virus. Vaccinia virus is normally confined to cattle, but is conveyed to humans through vaccination, thereby, imparting immunity to the smallpox viru

Cowpox virus, used for the preparaton of a smallpox vaccine (TEM). Electron micrograph of a Vaccinia Virus. Vaccinia virus is normally confined to cattle, but is conveyed to humans through vaccination, thereby, imparting immunity to the smallpox viru

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Dimension Longueur Hauteur Mp
s 437 px 500 px 0.5
m 874 px 1000 px 2
l 1749 px 2000 px 8
xl 3174 px 3630 px 15

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