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A vial of the Pfizer-BioNTech Covid-19 vaccine at a clinic inside Trinity Evangelic Lutheran Church in Lansdale, Pennsylvania, U.S, on Tuesday, Apr. 5, 2022. U.S. regulators cleared second booster??doses??of Covid-19 vaccine from??Moderna Inc.??and the partnership of??Pfizer Inc.??and??BioNTech SE for adults 50 and older, making millions more people eligible for the shots as concern grows about a potential new wave of infections. Photographer: Hannah Beier/Bloomberg via Getty Images

Health

US authorises the use of dual-variant covid-19 vaccine boosters

The US Food and Drug Administration authorised the use of versions of Moderna and Pfizer/BioNTech covid-19 vaccines that target both the original virus and two omicron subvariants

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NHS ambulances at a hospital in London

Health

There are thousands more UK deaths than usual and we don’t know why

Insight

Lateral flow test

Health

Most people with covid-19 are still infectious after five days

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In severe cases, covid-19 may cause certain neurological and psychiatric conditions for up to two years post-infection

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Covid-19 linked to higher risk of brain conditions up to two years on

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More than half of people who are infected with omicron may be unaware they are carrying the virus

Health

More than half of people infected with omicron may not know it

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A pregnant person receives the Pfizer/BioNTech vaccine against covid-19 in Schwenksville, Pennsylvania in February 2021

Health

Covid-19 vaccines in pregnancy not linked to miscarriage or stillbirth

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Antibodies attacking SARS-CoV-2, the coronavirus that can cause covid-19

Health

Immunity for common cold coronaviruses may ward off severe covid-19

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TOPSHOT - An attending physician listens to the breathing of a patient who is recovering after admission to an intensive care unit (ICU) in the coronavirus (COVID-19) patient nursing department of The HMC Westeinde Hospital in The Hague on April 4, 2020. (Photo by Remko DE WAAL / ANP / AFP) / Netherlands OUT (Photo by REMKO DE WAAL/ANP/AFP via Getty Images)

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One in 8 people got long covid after infection early in the pandemic

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Sick woman trying to sense smell of fresh tangerine orange, has symptoms of Covid-19, corona virus infection - loss of smell and taste, standing at home. One of the main signs of the disease.; Shutterstock ID 1898515471; purchase_order: -; job: -; client: -; other: -

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Memory problems after covid-19 more common in people with smell loss

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A person is vaccinated against covid-19 at Wembley Stadium in London, the UK, in December 2021

Health

Could next-generation vaccines finally end the covid-19 pandemic?

Nasal vaccines that prevent people from catching the coronavirus may help stem transmission, while universal vaccines could target proteins found in every SARS-CoV-2 variant

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Women more likely to have lasting taste issues after covid-19 than men

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Health

Long covid symptoms may include hair loss and ejaculation difficulties

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Health

Doctors are concerned about the risk of hospital-acquired covid-19

Analysis

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Coronavirus may enter the brain by building tiny tunnels from the nose

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