US president Donald Trump posted an article thanking his sister for supporting him online. It was prompted by an account set up by a 21-year-old from Pennsylvania. Photograph: Oliver Contreras/EPA

Last month, between tweets disputing his election loss, US president Donald Trump posted an article from a conservative website that said his sister E(...)

MSF nurse Bhelekazi Mdlalose performs a swab test in Lenasia, Johannesburg: Reliable rapid tests could work to simplify the detection of positive cases and their isolation. Photograph: Michele Spatari

The World Health Organisation has announced plans to make 120 million cheap Covid-19 antigen tests available to lower- and middle-income countries as (...)

A boy selling produce in a market in Ibafo, Nigeria. The population of sub-Saharan Africa is forecast in a new study  to triple to 3.07 billion by 2100. Photograph: Olukayode Jaiyeola/NurPhoto via Getty Images

The world’s population is likely to peak in 2064 at about 9.7 billion, and then decline to about 8.8 billion by 2100 – two billion lower than some pre(...)

There is now cautious optimism that a coronavirus vaccine will be ready sometime next year. Photograph: iStock

In a medical research project nearly unrivalled in its ambition and scope, volunteers worldwide are rolling up their sleeves to receive experimental v(...)

An immunologist originally from Wexford, Prof David Lynn is the director of systems biology at the South Australian Health & Medical Research Institute (SAHMRI) in Adelaide.

An Irish scientist is playing a lead role in one of the largest vaccine trials underway against Covid-19. An immunologist originally from Wexford, Pr(...)

The $8bn target is an initial figure. Ms von der Leyen has said more money will be needed over time. Photograph: Reuters

World leaders launched a pledging “marathon” on Monday – without the United States – to raise at least $8 billion (€7.3 billion) for research into a p(...)

Irish scientist Prof Adrian Hill is the director of Oxford Unversity’s Jennings Institute.  Photograph: Mary Turner/The New York Times

In the worldwide race for a vaccine to stop the coronavirus, the laboratory sprinting fastest is at Oxford University. Most other teams have had to st(...)

South Africa rugby captain Siya Kilosi is backing the #MaskingForAFriend campaign. Photograph: Billy Stickland/Inpho

An international coalition of hundreds of organisations, scientists and philanthropists has announced its intention to “ignite a global movement to he(...)

 Prof Mark Ferguson: “There is a huge amount of goodwill out there in the research community, but sometimes they aren’t aware of the problems that need to be solved.” Photograph: Jason Clarke Photography.

Science Foundation Ireland (SFI) has developed a five-point plan which outlines key activities where the research community can make a positive contri(...)

The target proteins for a coronavirus vaccine are  the spikes that give the virus its crown-like appearance, hence the name coronavirus. Photograph:  Getty Images

A vaccine for Covid-19 is soon to be injected into healthy volunteers in Seattle, US. The National Institutes of Health in the US will run these tests(...)

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