from the Longman Dictionary:
vac‧cine [uncountable and countable]
a substance which contains a weak form of the bacteria or virus that causes a disease and is used to protect people from that disease:
a polio vaccine
Doctors worried that there would not be enough vaccine for everyone who needed it.
Here is some suggested reading regarding vaccinations.a polio vaccineDoctors worried that there would not be enough vaccine for everyone who needed it.
vac‧cin‧ate
[transitive]
[transitive]
to protect a person or animal from a disease by giving them a vaccine [= immunize]
—vaccination noun [uncountable and countable]
a flu vaccination
a flu vaccinationhttp://www.cdc.gov/flu/protect/keyfacts.htm
http://www.ontario.ca/health-and-wellness/flu-shot-safety
http://www.immunizebc.ca/diseases-vaccinations/chickenpox
http://www.health.gov.on.ca/en/public/programs/immunization/myths.aspx
http://www.phac-aspc.gc.ca/im/index-eng.php
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