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Vaccine's
"Vaccine's" in a Sentence (2 examples)
He added that the company has not been able "to properly ascertain the vaccine's effect against severe disease and hospitalization given that subjects were predominantly young healthy adults."
In a Phase 1 clinical trial testing the vaccine's safety, the neutralized parasite was injected into 10 healthy human volunteers, where it stimulated a strong immune response without causing malaria.
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Unscramble this word: vaccines