British Study Discloses Good News On COVID-19

Pablo Tucker
November 23, 2020

People who had COVID-19 are protected against reinfection with the virus for at least six months, according to a study posted online Friday by researchers at Oxford University in England.

The study also found that staff with antibodies were less likely to have an asymptomatic infection.

A small percentage of people in the recent study showed that they didn't have long-lasting immunity from the virus after they have recovered, but that may be due to the level of coronavirus they were exposed to.

Dr Peter Wrighton-Smith, of Oxford Immunotec, the company that developed the T-cell test, said: 'The implication is that there is a population of people who are protected from Covid who are not being picked up by the antibody studies'.

Previous studies found the first wave of antibodies produced by the human body after infection waned after the first few months, raising concerns that people could quickly lose immunity.

"We are therefore confident that the majority of people who have survived SARS-CoV-2 infection have some protection against reinfection with SARS-CoV-2", he added.

Immunity against coronavirus can last up to eight months after infection, new Australian research by Monash University has revealed, providing hope for long-term protection by vaccines. Its results have not peer-reviewed by other scientists but were published before review on the MedRxiv website.

However, their study is aimed at checking how long immunity lasts in total.

Forbes reported that the "short-lived" infectiousness of the coronavirus suggests an explanation of why the COVID-19 is so hard to contain compared to other viruses such as SARS or MERS, as per the researchers. Part of the reason researchers studied all three diseases was to determine why COVID-19 has spread more rapidly than the earlier diseases. Covid-19: Two of the vaccine front runners have already reported promising evidence - so what now? This research analyzed genetic data from bronchoalveolar lavage fluids from lungs of patients with COVID-19 from Wuhan, China to characterize the activity and genetic characteristics of the CD4+ T cells present.

While T-cell activities are usually balanced between accelerating and braking, the researchers said one of the most important brakes was not functioning in severe COVID-19 which may have led to the pneumonia.

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