Coronavirus has REAPPEARED in ‘recovered’ patients raising fear immunity not guaranteed

The claim has raised the fear those who have had the disease may not be able to build-up complete immunity. Research suggests between three and 14 percent of those who had initially received a positive diagnosis became reinfected. Now experts believe having the virus once does not mean you cannot get sick from it again.

According to Li QinGyuan, director of pneumonia prevention and treatment at China-Japan Friendship Hospital in Beijing, those who have been infected with COVID-19 develop a protective antibody, but it isn’t clear how long the protection lasts.

Doctor Li told USAToday: “In certain individuals, the antibody cannot last that long.

“For many patients who have been cured, there is a likelihood of relapse.”

In children, it is currently believed that the virus causes the development of “at least short-term immunity”.

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Echoing this viewpoint, Doctor Peter Jung, an assistant professor of paediatrics at the University of Texas Medical School at Houston told The Huffington Post: “No one knows for sure, but most children likely develop at least short-term immunity to the specific coronavirus that causes Covid-19.

“But just as the flu can mutate, so could Covid-19, which would make an individual susceptible to reacquiring the infection.”

However, according to Doctor Stephen Gluckman, an infectious diseases physician at Penn Medicine and the medical director of Penn Global Medicine, it seems likely that having the disease once results in immunity in most individuals, as is seen with other coronaviruses.

Doctor Gluckman said: “Coronaviruses aren’t new, they’ve been around for a long, long time and many species, not just humans, get them.

He added: “So we know a fair amount about coronaviruses in general.

“For the most part, the feeling is once you’ve had a specific coronavirus, you are immune.

“We don’t have enough data to say that with this coronavirus.

“But, it is likely.”


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Worryingly, some recovered coronavirus patients may have reduced lung function.

This means people who initially recovered are more likely to relapse rather than get reinfected with the virus.

According to one study, people with mild infections can test positive for the virus by throat swabs “for days and even weeks after their illness”.

But, that doesn’t mean it isn’t possible to contract the disease again, especially in those who are immunocompromised.

The US Centre for Disease Control and Prevention (CDC) explained: “The immune response to Covid-19 is not yet understood.

“Patients with MERS-CoV infection are unlikely to be reinfected shortly after they recover, but it is not yet known whether similar immune protection will be observed for patients with Covid-19.”

While further studies are needed to understand whether it is possible for an individual to be reinfected with new coronavirus, experts recommend those who have been infected follow the hygiene steps outlined by CDC, which include staying away from people who are sick, frequently washing hands, and covering coughs and sneezes.

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