Under a low magnification of 38x, this 2007 scanning electron micrograph (SEM) shows the fibrous configuration of a dry macrofoam sponge swabs. This swab, was scanned for a CDC study involving their efficiency in recovery of Bacillus anthracis bacterial spores from steel coupons that had been inoculated with a spore suspension of known concentration. Results indicated that premoistened swabs were more efficient at recovering spores than dry swabs. Photo by Janice Carr

Under a low magnification of 38x, this 2007 scanning electron micrograph (SEM) shows the fibrous configuration of a dry macrofoam sponge swabs. This swab, was scanned for a CDC study involving their efficiency in recovery of Bacillus anthracis bacterial spores from steel coupons that had been inoculated with a spore suspension of known concentration. Results indicated that premoistened swabs were more efficient at recovering spores than dry swabs. Photo by Janice Carr
SuperStock offers millions of photos, videos, and stock assets to creatives around the world. This image of Under a low magnification of 38x, this 2007 scanning electron micrograph (SEM) shows the fibrous configuration of a dry macrofoam sponge swabs. This swab, was scanned for a CDC study involving their efficiency in recovery of Bacillus anthracis bacterial spores from steel coupons that had been inoculated with a spore suspension of known concentration. Results indicated that premoistened swabs were more efficient at recovering spores than dry swabs. Photo by Janice Carr by Centers for Disease Control/Centers of Disease Control is available for licensing today.

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Image Number: 4384-201Rights ManagedCredit Line:Centers for Disease Control/Centers of Disease Control/SuperStockCollection:Centers for Disease ControlStory:Martian Terrain and FossilsModel Release:NoProperty Release:NoResolution:5862×3298
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