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Antigenic materials that have been attenuated (weakened pathogenicity) or inactivated (killed) to produce an immune response in an organism against a specific disease are known as vaccines (antigen).

Various vaccinations have been developed to protect against bacterial, fungal, viral, and other microbial illnesses.

Antiviral drugs are drugs that are used to treat viral infections or illnesses. The viral pathogen that causes the sickness is inhibited by these medications.

Antibiotics are chemicals produced by some microbes in order to stop or slow the growth of other germs.

They're only used to treat bacterial infections, not viruses.

Antibiotics affect bacteria's cell wall production, but viruses are acellular, hence antibiotics can affect the host's cell wall synthesis if administered during a viral infection.

Phage therapy is a bacterial infection treatment. It entails the use of bacteriophages to treat bacterial infections.