An '''investigational vaccine''' is a vaccine that has been approved by the [[Food and Drug Administration]] (FDA) for use in clinical trials on humans.
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An '''investigational vaccine''' is a [[vaccine]] that has been approved by the [[Food and Drug Administration]] (FDA) for use in clinical trials on humans.
Investigational vaccines are still in the testing and evaluation phase and are not licensed for use in the general public.<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#i</ref>
Investigational vaccines are still in the testing and evaluation phase and are not licensed for use in the general public.<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#i</ref>