‘Substantial reduction’ in hospital admissions four weeks after first Covid jab

New data from Scotland suggests that the vaccination programme is having a big impact on the number of people admitted to hospital.

‘Substantial reduction’ in hospital admissions four weeks after first Covid jab

The Covid-19 vaccines being used in the UK could reduce a person’s risk of being admitted to hospital by as much as 94% four weeks after the first dose, new data suggests.

Experts examined Covid-19 hospital admissions in Scotland among people who have had their first jab and compared them to those who had not yet received a vaccine.

Scientists from the Universities of Edinburgh, Strathclyde, Aberdeen, Glasgow and St Andrews and Public Health Scotland (PHS) looked at data on people who had received either either the Pfizer/BioNTech jab or the one developed by scientists at the University of Oxford with AstraZeneca.

Those who received the Pfizer jab had a reduction in risk of 85% between 28 and 34 days after the first dose.

Data for the two jabs combined showed that among people over the age of 80 – who are at high risk of severe disease – the reduction in risk of hospital admission was 81% four weeks after the first dose.

“We now have national evidence – across an entire country – that vaccination provides protection against Covid-19 hospitalisations.

“Rollout of the first vaccine dose now needs to be accelerated globally to help overcome this terrible disease.”

The study team said the findings are applicable to other countries using the Pfizer and Oxford/AstraZeneca vaccines.

The study is the first to describe a country-wide effect of the Pfizer and Oxford-AstraZeneca jabs in the community on preventing severe illness resulting in hospital admissions.

The researchers examined data between between December 8 and 15 February 15. During this period, 1.14 million vaccines were administered in Scotland – 21% of the Scottish population.

Coronavirus graphic
(PA Graphics)

Researchers looked at GP records on vaccination, hospital admissions, death registrations and laboratory test results – and compared the outcomes of those who had received their first jab with those who had not.

Dr Jim McMenamin, national Covid-19 incident director at PHS, said: “Across the Scottish population the results show a substantial effect on reducing the risk of admission to hospital from a single dose of vaccine.

“For anyone offered the vaccine I encourage them to get vaccinated.”

Professor Chris Whitty, chief medical officer for England and co-lead for the National Institute for Health Research (NIHR), said: “This research provides encouraging early data on the impact of vaccination on reducing hospitalisations.”

Coronavirus graphic
(PA Graphics)

“We must not be complacent though.

“We all still need to ensure we stop transmission of the virus, and the best way we can all do this is to follow public health guidance – wash your hands often, keep two metres from others, and if you develop symptoms, isolate and take a test.

“We also all need to protect ourselves, our families and friends by taking the second dose of vaccine when it is offered.”

Chris Robertson, professor of public health epidemiology at the University of Strathclyde, said: “These early national results give a reason to be more optimistic about the control of the epidemic.”

The data has been published as a pre-print. This means that it is early work that has not yet been through peer-review and has not yet been published in a journal.

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