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long covid

Doctor in hospital

Health

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

People who go to hospital for non-covid treatment are at higher risk of the virus compared with the general public, which is why high levels of hospital-acquired covid-19 in England are worrying some doctors

Analysis

The covid-19 virus, SARS-COV-2, inside and on top of tunneling nanotubes

Health

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

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Catching the coronavirus after the 34th week of pregnancy may raise the risk of a premature birth seven-fold

Health

Coronavirus in late pregnancy raises premature birth risk seven-fold

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A person takes samples from Marseille sewage water near a retirement home in France to detect covid-19 traces in December 2020

Health

Sewage surveillance spots new covid-19 variants as effectively as PCRs

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NEW YORK, NY - JUNE 08: Passengers wear masks at the subway during rush hour on June 08, 2021 in New York City. New York City's subways are now operating 24-7 as Covid-19 cases have dropped and more Americans receive the vaccination for Covid-19. (Photo by Robert Nickelsberg/Getty Images)

Health

How to cut your risk of catching the BA.4 and BA.5 covid subvariants

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Sperm cells

Health

What we know so far about how covid-19 affects sperm

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Commuters

Health

UK's latest omicron wave being driven by BA.4 and BA.5 covid variants

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A Navajo Nation police officer smooths dirt over the grave of a person who died of covid-19 in Tuba City, Arizona

Health

Life expectancy of Native American peoples falls 4.7 years since 2019

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A person waits at a drive-in covid-19 PCR test site in Miami, Florida, in May

Health

Covid-19: What are the risks of catching the virus multiple times?

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Methotrexate tablets

Health

Coming off methotrexate doubles antibody levels after covid-19 vaccine

People with conditions like psoriasis and rheumatoid arthritis who took a two-week break from the immune-suppressing drug methotrexate saw their antibody levels double up to 12 weeks after their third covid-19 vaccine, compared with people who took the treatment as normal

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Health

Amazon reviews saying candles are scentless may signal covid-19 cases

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Health

Long covid risk with omicron variant may be half what it is with delta

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Health

How big a covid-19 wave could omicron subvariants BA.4 and BA.5 cause?

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Health

Severe covid-19 symptoms linked to more than 1300 genetic variants

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