of course,PHIZER vaccine are efficient making vaccine to fight against covid-19 but happening to new uk covid varient the phizer vaccine are not efficient because the new covid variant is much powerful than covid in china is much faster to sick when uk covid variant than china.
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Answer:
A.Fact
Explanation:
of course,PHIZER vaccine are efficient making vaccine to fight against covid-19 but happening to new uk covid varient the phizer vaccine are not efficient because the new covid variant is much powerful than covid in china is much faster to sick when uk covid variant than china.