Search Syntax

Use the search strategies below to combine your keywords in journal/database search boxes.

Operator	Description	Example
AND	Each result contains all search terms	public AND vaccines
OR	Each result contains at least one search term	vaccines OR immunizations
(Parentheses)	Groups and combines terms	(vaccines OR immunizations) AND media
NOT	Results do not contain the specified terms	vaccines NOT autism
“Quotation marks”	Results contain exact phrases	“public perception”
Asterisk (*)	Enter the root of a search term and replace the ending with an (*)	vaccin* – Finds: vaccine, vaccines, vaccination, etc.

Combine search syntax operators:
(vaccin* OR immuniz*) AND (opinion* OR perception*) AND media