Diseases, Conditions, Syndromes

UK study suggests COVID-19 became much more lethal in late 2020

A new statistical analysis supports beliefs that COVID-19 became more lethal in the U.K. in late 2020, while also suggesting that multiple factors—not just the alpha variant of the virus that causes COVID-19—were to blame. ...

Diseases, Conditions, Syndromes

COVID virus' incubation time gets shorter with each new variant

If you get infected with COVID-19, the time from infection to possible onset of symptoms—the incubation period—is significantly shorter now than it was at the beginning of the pandemic, new research shows.

Diseases, Conditions, Syndromes

Here's what you should know about the Delta variant

When it comes to infectious diseases, the United Kingdom is like the "canary in our mine," according to Texas A&M University virologist Benjamin Neuman. When a virus is spreading there, it will soon make its way to the United ...

Diseases, Conditions, Syndromes

Prevalence of COVID-19-related croup up during omicron

The proportion of children with COVID-19-related croup was increased during the period of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) omicron predominance compared with alpha or other variant- and delta-predominant ...

Diseases, Conditions, Syndromes

The inside story of England's COVID pandemic described in new study

The COVID-19 crisis that gripped the UK between September 2020 and June 2021 can be thought of as a series of overlapping epidemics, rather than a single event, say researchers at the Wellcome Sanger Institute, EMBL's European ...

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