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Man is afraid of the covid19 virus and he is hidden rear a desk
Cartoon germs, viruses, microbes and bacteria vector characters. Cute germs with funny faces, colorful cells with teeth and tongues. Smiling pathogen monsters with big eyes and outgrowths isolated set
Lactobacillus bacteria. This lactic acid-producing bacteria is used in the production of yoghurt and other fermented products.they serve a protective role against more dangerous bacteria.
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Staphylococcus aureus isolated on white background

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