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Title: To make a vaccine against the polio virus, researchers treated the polio virus with formaldehyde and ... Post by: ceybe on Nov 16, 2017 To make a vaccine against the polio virus, researchers treated the polio virus with formaldehyde and used this preparation to inject people. This is an example of
A) an inactivated virus vaccine. B) an attenuated virus vaccine. C) a vaccine of isolated viral proteins. Title: Re: To make a vaccine against the polio virus, researchers treated the polio virus with formaldehyde ... Post by: Shadias on Nov 16, 2017 A
Title: Re: To make a vaccine against the polio virus, researchers treated the polio virus with formaldehyde and ... Post by: ceybe on Dec 30, 2017 Correct again :D
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