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The FINANCIAL Data from the COVID-19 Infection Survey, a partnership between the University of Oxford, the Office of National Statistics (ONS) and the Department for Health and Social Care (DHSC), is the first to show the impact of vaccination on antibody responses and new infections in a large group of adults from the general population aged 16 years and older, according to University of Oxford.
Two studies, released today as pre-prints, focused on the protection from infection provided by COVID-19 vaccines. Researchers analysed 1,610,562 test results from nose and throat swabs taken from 373,402 study participants between 1 December 2020 and 3 April 2021. 21 days after a single dose of either Oxford-AstraZeneca or Pfizer-BioNTech vaccines (with no second dose), the rates of all new COVID-19 infections had dropped by 65%, symptomatic infections by 72% and infections without reported symptoms by 57%.
Vaccines slash Covid infections ‘and are likely to cut transmission’
Coronavirus vaccines being prepared (Steve Parsons/PA)
Vaccines should be able to control the Covid-19 pandemic, experts have said, as they published new real-world UK data showing jabs slash infection and are likely to cut transmission.
Just one dose of either the Pfizer/BioNTech or AstraZeneca vaccines leads to a two-thirds drop in coronavirus cases and is 74% effective against symptomatic infection.
After two doses of Pfizer, there was a 70% reduction in all cases and a 90% drop in symptomatic cases – these are the people who are most likely to transmit coronavirus to others.
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So far, more than 33 million people have
had at least one dose of a vaccine in the UK, while 11 million have had two jabs.
Some initial research from the UK has found that a single shot of either the
Pfizer-BioNTech or
coronavirus cases and a 74% drop in cases which are symptomatic.
Following both doses of Pfizer, there was a 70% fall in all
COVID cases, and a 90% drop in those which were symptomatic. People who are symptomatic are most likely to spread the virus.
New real-world UK data shows that jabs slash infection and are likely to cut transmission. Just one dose of either the Pfizer/BioNTech or AstraZeneca vaccines leads to a two-thirds drop in cases and is 74 per cent effective against symptomatic infection. After two doses of Pfizer, there was a 70 per cent reduction in all cases and a 90 per cent drop in symptomatic cases – these are the people who are most likely to transmit coronavirus to others. Experts are still collecting data on two doses of AstraZeneca but say their findings show that both vaccines work and are effective in the real world.