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However, on July 9, Public Health England reported that the Delta variant in England had a case fatality rate (CFR) of 0.2%, while the Alpha variant's case fatality rate was 1.9%, although the report warns that "case fatality rates are not comparable across variants as they have peaked at different points in the pandemic, and so vary in ...
Delta (B.617.2) First identified in India in late 2020, the delta variant soon spread across the globe. It became the dominant variant of SARS-CoV-2 until the emergence of omicron in December 2021.
British epidemiologist Tim Spector said in mid-December 2021 that the majority of symptoms of the Omicron variant were the same as a common cold, including headaches, sore throat, runny nose, fatigue and sneezing, so that people with cold symptoms should take a test. "Things like fever, cough and loss of smell are now in the minority of ...
The Delta variant, also known as B.1.617.2, G/452R.V3, 21A [75] or 21A/S:478K, [97] was a globally dominant variant that spread to at least 185 countries. [137] It was first discovered in India . Descendant of lineage B.1.617, which also includes the Kappa variant under investigation, it was first discovered in October 2020 and has since spread ...
Here are the COVID symptoms to watch out for this summer. ... KP.3.1.1 — which comes from the JN.1 strain — is now the most dominant variant, ... “Adults over the age of 65 should get the ...
The variants EG.5 and BA.2.86 are circulating, and more could emerge this fall and winter. Here are the most common symptoms and how to protect yourself.
The Alpha variant (B.1.1.7) was [2] [3] a SARS-CoV-2 variant of concern. It was estimated to be 40–80% more transmissible than the wild-type SARS-CoV-2 (with most estimates occupying the middle to higher end of this range).
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