Vaccine
- A vaccine is usually a sterile liquid biological preparation that provides active acquired immunity to a particular disease.
- It usually contains an agent that resembles a disease-causing microorganism and is often made from weakened or dead forms of the microbe, its toxins, or one of its surface proteins.
- Vaccines can be administered via injection (e.g. intramuscular, subcutaneous), oral, or nasal routes.
- The dosing schedule for vaccines varies depending on the type of vaccine and individual's age, health status, and vaccination history.
- Receiving the full series of recommended vaccines is the best way to protect against disease. It is important to discuss individual vaccine needs and concerns with a healthcare provider.
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