According to Arstechnica, this is confirmed to be the first person in the world to re-infection with coronavirus. This person first became infected at the end of March with symptoms of a productive cough, fever, sore throat and headache three days before the test, and a positive result for coronavirus on 26. -3. Corona Extra this Witch needs Beer before any Hocus Pocus shirt
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Although his symptoms improved after that, on March 29, he was still hospitalized for treatment. By April 14, he recovered from the disease with a negative result for coronavirus continuously in two times 24 hours apart.
About 4 months later, the man was again positive for coronavirus again. This time the Corona Extra this Witch needs Beer before any Hocus Pocus shirt disease was discovered when he had a screening test at an airport in Hong Kong on August 15, when he returned from a trip to Spain and had a transit in England.
Clinical data showed that this person was acutely infected, but during his stay in the hospital, he still showed no symptoms.
The researchers decoded the entire genome sequence of two coronavirus strains isolated from human samples during two infections. He had two different strains of the coronavirus.
The first strain is more similar to the coronavirus strains collected in April and March in the US and UK, respectively.
The second strain is closer to the one collected in the UK and Switzerland during July and August.
Overall, there are 24 genetic differences between the two virus strains that infect him, including important differences in the genetic code of the coronavirus prickly proteins.
Hong Kong researchers presented this reinfection case in the August 24 scientific report and submitted it to the specialist journal Clinical Infectious Disease (Clinical Infectious Disease).
The research has been approved by specialist journals but has not been published. However, the University of Hong Kong published the magazine’s accepted manuscript here (in English).
Regardless of the fact that coronavirus reinfection has been documented, Arstechnica says that with about 23 million cases of COVID-19 to date globally, it is not surprising that there will be more than one reinfection. worry.
Studies to date have found different degrees of the human immune response to the coronavirus. This means that for some people the reaction may be stronger / weaker than others.
There is also more research data showing that some immune responses are strong enough to completely protect people from the risk of re-infection, at least for a period of time.