The disinfection process introduces chlorine to kill pathogens.
In biology, a pathogen is the oldest and broadest sense of the organism or pathogen capable of causing disease. is. Pathogens are sometimes called infectious agents or simply bacteria.
The term pathogen was used in the 1880s. Usually, the term pathogen is used to describe an infectious organism or agent. Viruses, bacteria, protozoa, prions, viroids, or fungi. Small animals such as worms and insects can also cause or transmit disease. However, these animals are called parasites rather than pathogens. The scientific study of microscopic organisms, including microscopic pathogenic organisms, is called microbiology, and parasitology refers to the scientific study of parasites and the organisms that harbor them.
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