Studies have shown that the more recent variants of Covid may be intrinsically less dangerous
, I’m taking a look at why new forms of this virus keep appearing, and whether they are anything to worry about.For some, the arrival of XEC may be alarming. But many Covid experts are not worried.
The new variants arise because all viruses are constantly mutating as they multiply within your body. Most mutations will be damaging or useless. The term immunity does not mean that people can never be infected with Covid again – as is clear from the numbers who have had test-confirmed infections twice, or three, four times or more.means that they can still get infected – especially as time goes on – but they are much less likely to get seriously ill from it, and need hospital treatment.
But for others, a new variant is not necessarily any more dangerous to an individual who catches it than one of the previous variants.have shown that when the coronavirus first arrived in the UK, it had an infection fatality rate of about 1 per cent – about 20 times more than that for flu. This has since dropped to a rate quite similar to flu, probably from a combination of immunity and a fall in intrinsic virulence.
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