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long covid

A new hospital was rapidly built in Wuhan, China, in early 2020

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Two years of covid-19: What we’ve learned during the pandemic so far

It's now been two years since Chinese authorities first informed the World 91É«ÇéƬ Organization about an unknown virus in Wuhan. How has our understanding of the virus changed since then and where does that leave us?

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SARS-CoV-2 Delta variant. Coloured scanning electron micrograph (SEM). Here the delta variant is shown budding (cyan dots) from an apoptotic Caco-2 human gut epithelial cell 24 hours after infection. SARS-CoV-2 Delta variant took over globally from the alpha variant in 2021. The delta variant has evolved to better replicate in its new human host allowing it to spread between people more efficiently. The coronaviruses take their name from their crown (corona) of surface proteins, which are used to attach and penetrate their host cells. As of mid-September 2021 226, 130, 821 cases and 4, 653, 230 deaths have been recorded world- wide. Magnification x 8000 at 10cm wide. Specimen courtesy of Greg Towers, UCL

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2022 preview: What will the coronavirus do next?

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MARBURG, GERMANY - MARCH 29: Employees in special suits test the procedures for the manufacturing of the messenger RNA (mRNA) for the Covid-19 vaccine in German company BioNTech, in Marburg, Germany on March 29, 2021. BioNTech Marburg's coronavirus vaccine production target will be 2.5 billion doses for 2021, up from 2.3 billion as it is considered as one of the largest manufacturing facilities producing mRNA vaccines in the world. The Pfizer-BioNTech vaccine was developed by Ozlem Tureci and Ugur Sahin, a couple who are children of Turkish immigrants in Germany. (Photo by Abdulhamid Hosbas/Anadolu Agency via Getty Images)

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2022 preview: mRNA tech behind covid-19 vaccines could get new uses

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Prescriptions of pills that can be taken at home could help prevent people developing severe covid-19

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UK has begun using drugs for covid-19 cases before they become severe

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A mass vaccination hub at Stamford Bridge stadium on 18 December

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Why the UK’s booster campaign mustn’t forget the vaccine hesitant

Analysis

Mandatory Credit: Photo by James Veysey/Shutterstock (11988790g) A sign in Hounslow, West London, as Covid rates rise in the area. Covid Variant Hotspots, London, UK - 1 Jun 2021

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The year of coronavirus variants: How evolution tormented us in 2021

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A sign of the Cuban vaccine candidate Abdala against Covid-19 is seen in a car in Havana, on July 1, 2021. - Cuba is preparing to give the green light in a few days to one of its coronavirus vaccines, the first created in Latin America and a hope for the region facing a new wave of the pandemic. (Photo by YAMIL LAGE / AFP) (Photo by YAMIL LAGE/AFP via Getty Images)

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Cuba’s home-grown vaccines have massively cut covid-19 cases

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In America: Remember

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Covid-19 was the third leading cause of death in the US in 2020

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England must act before Christmas to reduce the impact of omicron

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England must act before Christmas to reduce the impact of omicron

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Lab technician

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How did the omicron coronavirus variant evolve to be so dangerous?

Omicron has become a global threat to public health thanks to a particularly dangerous set of mutations, but where did it come from?

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How reliable are covid-19 lateral flow tests for detecting omicron?

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Humans

2021 in review: Learning the pros and cons of working from home

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Humans

In 2021, we made real progress in fighting covid-19 and climate change

Leader

Humans

Kenneth Libbrecht interview: A grand unified theory of snowflakes

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