A virus is a small infectious agent that replicates only inside the living cells of other organisms. Viruses can infect all types of life forms, from animals and plants to microorganisms, including bacteria and archaea. Exposure to a virus at your office holiday party is pretty much imminent, but exposure in your drinking water doesn’t have to be.

Terms You Should Know

  • Raw Water

    When water is called “raw” it is untreated – simply meaning no removal of contaminants, bacteria, parasites, etc.  A common new trend in the US, drinking raw water... Raw Water

  • Algal Bloom

    When an algae population grows rapidly, causing the water to be discolored, it is called an algal bloom. Some algal blooms produce toxins, while non-toxic blooms can be just... Algal Bloom

  • NSF International

    NSF International is actually not an abbreviation, but a stand-alone term. While NSF used to stand for National Sanitation Foundation, it was officially changed to... NSF International

  • Point Of Use Filter

    A point of use, or POU, filter purifies water at the point where water is actually used. Whether at your kitchen faucet, a refrigerator dispenser, or your shower head, a... Point Of Use Filter

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