‘I’ve had my vaccine - how well will it protect me and for how long?’

The latest answers to the important medical questions about the vaccines and the pandemic

The prospects of vaccines failing to trigger immune responses are dismissed as remote by scientists. “If a vaccine has not been properly refrigerated that might pose problems but doctors take great care to ensure that doesn’t happen,” said Professor Helen Fletcher at the London School of Hygiene & Tropical Medicine. “Frankly the only other way to get a failed reaction is for the doctor to miss your arm – which isn’t likely.”

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