NOB- Covid news: Corona epidemic is not leaving the world yet. For the past one year, when everyone was breathing comfortably without any mention of the Corona virus, a new variant of Covid has...
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Three hybrid covid variants circulating among world
As per recent UK Health Security Agency (UKHSA), at present three hybrid variants of covid are in circulation throughout the world. The 2 combinations of Delta and BA.1 are XD and XF and the...
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