🏥 | Omicron strain, is it effective to inoculate 3 times? Pfizer vaccine

Photo Pfizer's new coronavirus vaccine (provided by the company, Reuters = joint)

Omicron strain, 3 doses effective? Pfizer vaccine

On the 8th, Pfizer Inc. in the United States was infected with the new mutant strain "Omicron strain" by inoculating the company's new coronavirus vaccine three times. → Continue reading

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