Health Care

Surviving Covid provides as good immunity as vaccine, new report finds

Surviving Covid provides as good immunity as vaccine, new report finds”

Preliminary findings by scientists at Public Health England (PHE) showed that reinfections in people who have COVID-19 antibodies from a past infection are rare - with only 44 cases found among 6,614 previously infected people in the study.

Public Health England researchers found between June and November out of 6,614 participants who had tested positive for antibodies there were 2 "probable" reinfections and 42 "possible". The study involved tens of thousands of healthcare workers in Britain who have been tested regularly since June for the new COVID-19 infection as well as the presence of the antibodies.

"Even if you believe you already had the disease and are protected, you can be reassured it is highly unlikely you will develop severe infections".

The experts, however, cautioned that those with immunity may still carry the virus and risk transmitting it to others.

Over the next year or two we'll probably get a better sense of how long protection lasts.

"The study found that antibody protection after infection lasts for at least 5 months, on average, and scientists are now studying whether protection may last for longer".

The PHE experts added that if all 44 cases were confirmed, it would represent an 83% rate of protection from reinfection.

More news: Biden lays out plan to get America vaccinated

How long a person can be immune from acquiring an infection various from disease to disease and one factor that determines longevity is the amount of neutralising antibodies produced inside the infected person when infected first. According to their data, this appears to last at least five months from first signs of illness. Crucially, we believe people may still be able to pass the virus on, she said.

Now more than ever it is vital we all stay at home to protect our health service and save lives, she added.

Millions of people who have already recovered from coronavirus are likely to have protection greater than the Oxford vaccine, raising questions as to whether people should be antibody tested to avoid wasting jabs.

The study was conducted on tens of thousands of healthcare workers across the United Kingdom starting from June 2020 for the presence of Covid-19 infections or antibodies.

In Brazil, where an average of more than 1,000 people are now dying each day, president Jair Bolsonaro has repeatedly questioned the safety of vaccines and said he will refuse to be vaccinated himself."Nobody will be forced to get vaccinated", Bolsonaro vowed this week during an internet broadcast.

The effectiveness of vaccines was not investigated in the study as they were not approved soon enough to meet the cut-off point of the study. Previous studies have suggested natural immunity lasts between three and six months.

"I am strongly encouraged that people have immunity that is lasting much more than the few months that was speculated before the summer", Prof Hopkins said.



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