GMB: Dr Amir Khan discusses Pfizer vaccine delay

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The pharmaceutical giant’s chief executive Albert Bourla said a booster shot six to 12 months after receiving the first two vaccine jabs was “likely”. The booster shot is designed to protect people against future variants, rather than earlier strains of the virus. He also said people might need to receive a coronavirus jab every year.

Figures for the Pfizer vaccine have shown it was more than 90 percent effective at preventing Covid six months after the second dose. More research is needed to find out if the jabs last any longer.

The US pandemic response’s chief science officer, Dr David Kessler, said yesterday: “We are studying the durability of the antibody response.

“It seems strong but there is some waning of that and no doubt the variants challenge… they make these vaccines work harder.

“So I think, for planning purposes only, we should expect that we may have to boost.”

Thirty more people died from Covid in the UK, figures showed yesterday, falling from 53 last Thursday. There were 2,672 confirmed new cases.

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