Instant International
Written by: He Wenhan
2021-06-18 19:32
Last update date: 2021-06-18 19:32
Researchers at the University of Oxford in the United Kingdom conducted research on health care workers who had been infected with the new type of coronavirus pneumonia (COVID-19). The new type of coronavirus pneumonia (COVID-19) may not necessarily prevent re-infection in the long-term, especially It is facing "variants of concern" (VOC).
The research results were published on the website Research Square on June 15.
The research was conducted in collaboration with the University of Oxford in the UK and the UK Coronavirus Immunology Consortium (provisional translation).
The results of this study are still preprints and have not been peer reviewed.
The researchers analyzed the blood samples of 78 health care workers.
They were all diagnosed from April to June 2020, including patients with and without symptoms.
6 months after their diagnosis, they have blood tests every month to detect their immune response.
The study found that a weak immune responder was detected one month after recovery. In the sixth month, there were no antibodies that could be used to neutralize the Alpha variant virus (it was the first in the UK), and there were no antibodies that could be used to neutralize the Beta variant virus (the first Found in South Africa) antibodies.
On the other hand, the researchers did not analyze data against the Delta variant virus (first seen in India).
↓If you want to see more photos of British people living under the epidemic, please click to enlarge and watch:
The researchers found that their immune response was significantly different 6 months after the diagnosis.
Most patients with symptoms still have a detectable immune response after 6 months, but more than 25% do not; more than 90% of asymptomatic patients have no detectable immune response after 6 months.
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Eleanor Barnes, professor of hepatology and experimental medicine at Oxford University, concluded that the past infection and vaccination are quite different. "If you get vaccinated, you will have a strong immune response, but you can get infected naturally, and the response is very diverse. Many." Barnes is the senior author of this study.
New Coronary Pneumonia New Coronary Vaccine Vaccine Oxford University
