How long after your Covid booster are you protected?
Chris Whitty asks adults to ‘please’ get booster jab
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The Government’s latest push is part of its “urgent Omicron appeal”, as the next jab is the best hope people have of preventing infections. Early data shows that while the variant can bypass immunisation afforded by the first two doses, the follow up booster can bring protection back up to 75 percent. But as with the other two, the jab takes some time to realise its full capability.
How long does the booster shot need to take effect?
The Covid booster shot takes roughly the same amount of time to work as its predecessors.
The body needs time to learn how to fight the injected virus substitute and develop immunity.
Studies currently suggest this takes between one and two weeks.
One conducted by Pfizer found immunity surges from seven days onwards.
And a follow-up, real-world analysis once again focussing on the Pfizer version found increased immunity at two weeks.
While researchers have not carried out additional studies on the other versions, they use similar mechanisms.
When it has taken effect, people will have a lower chance of catching Covid and experiencing severe infections, but they may still contract the virus.
Who can get the Covid booster jab?
The Government’s recent push will extend the booster programme to more people.
Although it previously focussed on older adults – specifically over 40 – everyone over 18 can now get one.
And they don’t have to wait as long, with the waiting time between second jab and booster reduced from six months to three.
Alongside adults, these other groups can also receive the jab:
- People aged over 16 suffering from a condition that raises their risk of severe illness from Covid
- People aged over 16 and caring for someone at high risk from Covid
- People aged over 16 living with someone who has a weakened immune system
- Frontline health and social care workers
- Care home residents and workers
People can either wait to receive their Covid booster offer or book one themselves.
The NHS website states people will receive an offer at least three months after their second dose.
Otherwise, they can book online here (Booster dose of the coronavirus (COVID-19) vaccine) or enter a walk-in centre, where they won’t need a booster appointment.
Those working for NHS or frontline services will get theirs via their employer, usually with the flu jab.
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