Virus infections. Viruses are bits of information (DNA or RNA) encased in a protective shell (capsid). Viruses are much smaller than your cells and are incapable of self-replication. They infiltrate your cells and use your cells' machinery to replicate themselves.
Bacterial infections. Bacteria are single-celled organisms whose instructions are encoded on a small piece of DNA.
Infectious Disease Therapeutics caused by fungi. Fungi, like bacteria, come in a variety of forms. They exist on and within your body. You can become ill if your fungi become overgrown, or if harmful fungi enter your body through your mouth, nose, or a cut in your skin.
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