coronavirus vaccine may give people immunity from the bug for 90 days, according to scientists.Research conducted by the government's scientific advisors suggests vaccine immunity is not fully understood.In a paper published by the New and Emerging Respiratory Virus Threats Advisory Group, experts say the duration of "natural or vaccine induced immunity is not yet fully understood".The study comes after British regulators approved the Pfizer/BioNtech coronavirus vaccine last week.Scientists added that immunity after getting a Covid-19 jab may last 90 days, reports Mirror.They wrote: "Based on the variability in the data and differential responses in the population we conservatively estimate that a protective immune response after SARS-CoV-2.
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