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B.1.617.2 variant (Delta) is getting the press but B117 (Alpha) might very well be more virulent.

Alpha SARS-CoV-2 variant tied to more severe outcomes

Infection with the Alpha (B117) SARS-CoV-2 variant may pose a heightened risk of poor COVID-19 outcomes, according to two observational studies from England and Denmark ...

As always, caution is needed when using these early studies in analysis.

She believed in nothing; only her skepticism kept her from being an atheist. -- Jean-Paul Sartre

by ATinNM on Thu Jul 1st, 2021 at 03:46:03 PM EST
Once discovered, districts in the UK went into lockdown very quickly ...

Preliminary genomic characterisation of an emergent SARS-CoV-2 lineage in the UK defined by a novel set of spike mutations | Virological - Dec. 2020 |

Assessing transmissibility of SARS-CoV-2 lineage B.1.1.7 in England | Nature - March 25, 2021 |
Erik Volz, Swapnil Mishra, [...] Neil M. Ferguson

Domination of new variants is of course higher transmissibility, not necessarily severity or morbidity. In a country with high vaccination rate, new variants will only succeed in bypassing the immunity reaction. The battle of humans vs coronavirus a continuing story...

Risk related to the spread of new SARS-CoV-2 variants of concern in the EU/EEA | ECDC - Jan. 21, 2021 |

Risk of mortality in patients infected with SARS-CoV-2 variant of concern 202012/1: matched cohort study | BMJ - March 10, 2021 |

'Sapere aude'

by Oui (Oui) on Thu Jul 1st, 2021 at 05:29:44 PM EST
[ Parent ]
Fact check: What do we know about the coronavirus delta variant? | DW News - today |

What is known is that, according to the PHE, 117 of the 92,056 people infected with the delta variant in the UK up to June 21 died. That means a  fatality rate of 0.1%, which is very low in comparison with other variants.

However, experts believe that the low rate of deaths largely has to do with the fact that a large proportion of the UK population is now vaccinated against the coronavirus and does not mean that delta of itself causes any less serious cases of the disease.

'Sapere aude'
by Oui (Oui) on Thu Jul 1st, 2021 at 05:33:00 PM EST
[ Parent ]

'Sapere aude'
by Oui (Oui) on Fri Jul 2nd, 2021 at 10:45:48 AM EST
[ Parent ]


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