TEMPO.CO, Jakarta – People who have been infected Covid-19 then recovered and then received the full dose of vaccination, two injections, had higher immunity than those who had never contracted the virus before being vaccinated. Data from users of the Zoe Covid Symptom Study App in the UK shows this trend.
Data from people who have been injected with the Pfizer/BioNTech vaccine twice, having previously been infected with Covid-19, show that their chances of re-infection are reduced by 94 percent. The odds were calculated within six months after the second dose was injected.
For those who have never previously contracted SARS-CoV-2, the corona virus that causes Covid-19, the protection is 80 percent in the same period.
The trend is the same for data on AstraZeneca/Oxford vaccine recipients. The protection possessed by people who had previously been infected was recorded at 90 percent after the second dose of vaccine was injected. Compare that with 71 percent for those, with the same vaccine, but have never contracted the virus naturally.
The figures also indicate that being infected with Covid-19, but not being vaccinated, provides 65% protection against the risk of re-infection. Protection from the body’s immune system is still traceable up to 450 days after infection.
“This is really positive news for all immune levels of people in the UK and that many people will be effectively and enduringly protected from Covid-19,” said Tim Spector of King’s College London, who is also the lead scientist on the Zoe app. .
He also added that the data became strong evidence to support distribution needs vaccination full dose, “Even for those who have tested positive for Covid-19 and recovered.”
NEW SCIENTIST
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