Know the truth about products that claim to kill 99.9 percent germs

A claim such as 99.99 percent germ kill may not be a plausible promise that many products can actually keep when it comes to their performance across various types of germs like bacteria, viruses, fungi, and spores. While products can be 99.99 percent effective on one type of germ, they may not be effective on others that are tough to disinfect.

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