Graphs show how vaccines work

Pharmacist Murtaza Abdulkarim (L) gives a dose of AstraZeneca / Oxford Covid-19 vaccine to a patient at a temporary vaccination center, staffed by pharmacists and pharmacists’ assistants, at the Al-Abbas Islamic Center in Birmingham, West Midlands. February 4, 2021.

Oli Scarff | AFP | Getty Images

LONDON – The first real data from the UK vaccination program provided insight into how effective vaccines against Covid-19 were.

The vaccine, developed by Pfizer and BioNTech, was the first shot to be approved in the United Kingdom in December. The older than 80-year-olds, health care workers and staff in the care home were the first to be vaccinated. This was soon followed by the survey developed by the British AstraZeneca and the University of Oxford.

Here are four maps that summarize how effective these vaccines are, and how they play their part in the fight against the pandemic:

Fall deaths at age 85

A boom in antibodies

A blood test study published by Imperial College London last week showed that almost 14% of the British population had antibodies to the coronavirus. Although this does not necessarily mean immunity, the results of the vaccinations and how high their antibody levels were were interesting. 18,000 participants in the 155,000 person study were vaccinated and the results are in the table below. Click on here for the complete data.

A separate study in England showed that the highest percentage of people who tested positive for antibodies were those over the age of 80, at 41%, which according to statisticians was “probably due to the high vaccination rate in this group.”

The actual effectiveness of the Pfizer shot

… and the AstraZeneca vaccine

Since the start of the vaccination, the UK has vaccinated all of its top four priority groups. It is now aimed at vaccinating the entire 50-year-old by mid-April and all adults by the end of July, two months before a previous target.

As of Sunday, more than 20 million people had received their first dose of vaccine, and nearly 800,000 had received both doses. government data says.

The UK’s vaccination program is widely regarded as a triumph in the midst of tragedy; the UK saw the fifth highest number of infections worldwide, after the US, India, Brazil and Russia, with more than 4.1 million infections and 123,083 deaths, the fifth highest death toll in the world, according to Johns Hopkins University.

—CnBC’s Bryn Bache contributed to this article.

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