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$A healthcare worker performs laboratory tests which detect immunoglobulin class G (IgG) antibodies to SARS-CoV-2 virus in blood at a medical centre of the INVITRO private healthcare company. Peter Kovalev/TASS (Photo by Peter Kovalev\TASS via Getty Images)$

Health

How likely are you to get reinfected now that omicron is spreading?

Many people all over the world have now had one infection with covid-19 – how does that affect their future chance of a second round with the coronavirus?

News

World Health Organization's technical lead on the coronavirus pandemic, Maria van Kerkhove gestures during an interview with AFP in Geneva on October 13, 2020. (Photo by Richard Juilliart / AFP) (Photo by RICHARD JUILLIART/AFP via Getty Images)

Health

Maria Van Kerkhove interview: What we know about omicron so far

News

Margaret Keenan was vaccinated at University Hospital, Coventry, on 8 December, 2020

Health

2021 in review: Billions of covid vaccinations given unequally

News

Omicron may spread much more easily at social functions than other variants

Health

Omicron variant may make Christmas party infection risk much higher

Analysis

A health worker speaks with a driver in the drive-thru area of the Testaro Covid-19 mobile testing site outside Richmond Corner shopping center in the Milnerton district of Cape Town, South Africa, on Thursday, Dec. 2, 2021. South Africa announced the discovery of a new variant, later christened omicron, on Nov. 25 as cases began to spike and the strain spread across the globe. Photographer: Dwayne Senior/Bloomberg via Getty Images

Health

Omicron looks set to cause a huge wave of covid-19 around the world

News

Vaccinations taking place at Derby's Pakistani Community Centre in April, 2021

Health

Multigenerational households a factor in covid-19 ethnic disparities

News

A woman checks her EU Digital Covid certificate on her mobilephone at El Prat airport in Barcelona on July 1, 2021. - The European health certificate, which Belgium began using on June 16, 2021, will become operational across the EU on July 1, 2021. (Photo by Pau BARRENA / AFP) (Photo by PAU BARRENA/AFP via Getty Images)

Technology

Fake covid-19 vaccine certificates are being sold on the dark web

News

CARDIFF, WALES - SEPTEMBER 20: Children wear face masks during a maths lesson at Llanishen High School on September 20, 2021 in Cardiff, Wales. All children aged 12 to 15 across the UK will be offered a dose of the Pfizer-BioNTech Covid-19 vaccine. Parental consent will be sought for the schools-based vaccination programme. (Photo by Matthew Horwood/Getty Images)

Health

Why has the UK been so slow to vaccinate children against covid-19?

Insight

A health worker holds a vial of the Pfizer/BioNTech vaccine

Health

Can omicron-specific vaccines arrive fast enough to make a difference?

Analysis

A road sign in Buckinghamshire, UK, in mid-November

Health

Covid booster shots are pushing protection to unexpected heights

Evidence suggests that vaccine booster programmes can take people’s covid-19 protection to unexpectedly high levels, but we don’t yet know how effective existing vaccines will be against the omicron variant

News

Health

Omicron: How dangerous is the new variant first found in South Africa?

News

Health

What we know so far about AY.4.2 and other new coronavirus variants

News

Health

Analysis of earliest covid-19 cases points to Wuhan market as source

News

Health

Covid-19 news archive: September to October 2021

News