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New coronavirus variant may pose reinfection risk, plasma therapy may be rendered ineffective


New coronavirus variant may pose reinfection risk, plasma therapy may be rendered ineffective
Out of the 44 samples of the new variant that scientists tested, they found that 21 were resistant to the plasma serum.
January 22, 2021 05:51 GMT
The new coronavirus variants are causing jitters among scientists since recent studies have found that they pose a reinfection risk among those who have already recovered from coronavirus infection and that they may be strong enough to render plasma therapy virtually ineffective.
Scientists noted that as per earlier studies, those who recovered from COVID-19 have immunity for at least five to six months, said FoxNews. It was also rare for a re-infection to occur out of previous strains. However, the story is quite different with the new strains because there is a possible risk of contracting the virus once more. ....

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Coronavirus variants pose reinfection risk, scientists say


The strain was recently made known, and scientists say it was circulating in Manaus in December. This strain shares several mutations with a variant initially detected in South Africa which was said to escape neutralization power from antibodies in convalescent plasma treatment. A team of researchers tested convalescent plasma from coronavirus patients against the 501Y.V2 strain, and 48% of 44 samples had no detectable neutralization activity, study authors wrote. The paper upheld the risk of reinfection as well, writing: These data highlight the prospect of reinfection with antigenically distinct variants and may foreshadow reduced efficacy of current spike-based vaccines.
We know that you can get reinfected even with the same version of the virus, Ravi Gupta, virologist at the University of Cambridge, told NPR, though it is too early to say how often the reinfections may occur.  ....

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