First human trial results raise hopes for coronavirus vaccine

Eight initial volunteers in US produced an antibody response from Moderna’s RNA vaccine

The first results from human trials of a vaccine against Covid-19 have given a glimmer of hope after a US firm’s study produced positive results in a group of eight volunteers.

These results – which come a day after the UK government revealed a deal to secure 30m doses of a rival Oxford University vaccine, should it be successful – showed that each of the participants produced an antibody response on a par with that seen in people who have had the disease. And they suggest that the vaccine is safe for use in humans.

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Dust bowl conditions of 1930s US now more than twice as likely to reoccur

Climate breakdown means conditions that wrought devastation across Great Plains could return to region

The agricultural conditions known as a “dust bowl”, which helped propel mass migration among drought-stricken farmers in the US during the great depression of the 1930s, are now more than twice as likely to reoccur in the region, because of climate breakdown, new research has found.

Dust bowl conditions in the 1930s wrought devastation across the US agricultural heartlands of the Great Plains, which run through the middle of the continental US stretching from Montana to Texas. The conditions are caused by a combination of heatwaves, drought and farming practices, replacing the native prairie vegetation.

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Edvard Munch’s The Scream needs to practise physical distancing, say experts

Art lovers may have to give 1910 version space due to damaging effect of humidity on impure paint

It is a masterpiece that seems to speak to the later horrors of war in the 20th century and even the anguishes of the 21st. Now Edvard Munch’s The Scream has another claim on modernity, after it emerged that an oversight by the artist means the 1910 version of the work needs to practise some physical distancing.

An international consortium of scientists seeking to identify the main cause of deterioration of the paint in the canvas has discovered Munch accidentally used an impure tube of cadmium yellow which can fade and flake even in relatively low humidity, including when breathed upon by crowds of art lovers.

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DRC has seen epidemics before, but Covid-19’s toll on older people leaves me sleepless

Many of the people I support in Kinshasa have no money, no soap, no water – and when they are struggling to breathe, no ventilators

We’re used to emergencies and people dying in the Democratic Republic of the Congo, whether it’s a result of the long-running conflict or Ebola, cholera and malaria. But coronavirus has knocked us for six, because it has affected people we are very close to.

I’ve been working in development for decades, but I have to admit I have shed tears these past few weeks.

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Coronavirus live news: India extends lockdown as Japan falls into recession

Daily death tolls fall in UK, Spain and Italy; South Africa reports highest daily increase; global infections pass 4.7 million. Follow the latest updates

Despite strong efforts, Taiwan did not get invited to this week’s meeting of a key World Health Organization body due to Chinese pressure, its foreign minister has said, adding they had agreed to put the issue off until later this year.

Non-WHO member Taiwan had been lobbying to take part in the World Health Assembly, which opens later on Monday.

Despite all our efforts and an unprecedented level of international support, Taiwan has not received an invitation to take part.

The Ministry of Foreign Affairs expresses deep regret and strong dissatisfaction that the World Health Organization Secretariat has yielded to pressure from the Chinese government and continues to disregard the right to health of the 23 million people of Taiwan.

Understandably, countries want to use the limited time available to concentrate on ways of containing the pandemic.

For this reason, like-minded nations and diplomatic allies have suggested that the proposal be taken up later this year when meetings will be conducted normally, to make sure there will be full and open discussion.

Hungary’s government will submit a proposal to parliament on 26 May to end its special coronavirus emergency powers, hirtv.hu quoted prime minister Viktor Orban’s chief of staff as saying late on Sunday.

Gergely Gulyas said parliament would take a few days to pass the bill, which will end the much-criticised emergency powers by early June.

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Night at the museum: Sydney man charged after allegedly breaking into dinosaur exhibit

CCTV footage shows man strolling through exhibits at closed Australian Museum and posing for selfies with head inside mouth of T-Rex skull

A Sydney man will face court on Monday after allegedly breaking into Australia’s oldest museum and snapping selfies with the dinosaur exhibit.

The man broke into the heritage-listed Australian Museum in Sydney’s CBD just after 1am on Sunday 10 May, and was captured on CCTV cameras wandering around the exhibits for around 40 minutes, according to New South Wales police.

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Rare long-necked dinosaur that roamed the polar world unearthed in Australia

Discovery of a single vertebra of an elaphrosaur in Victoria hugely expands known range of the group, which had teeth as juveniles but beaks as adults

A dinosaur relative of T. rex and Velociraptor with an unusually long neck, and which may have transitioned from predator to plant-eater as it reached adulthood, has been unearthed in Victoria.

The elaphrosaur was a member of the theropod family of dinosaurs that included all of the predatory species. It stood about the height of a small emu, measuring 2m from its head to the end of a long tail, and had short arms, each ending in four fingers.

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US and UK ‘lead push against global patent pool for Covid-19 drugs’

Efforts to dilute world health assembly resolution on open licensing decried as ‘appalling’

Ministers and officials from every nation will meet via video link on Monday for the annual world health assembly, which is expected to be dominated by efforts to stop rich countries monopolising drugs and future vaccines against Covid-19.

As some countries buy up drugs thought to be useful against the coronavirus, causing global shortages, and the Trump administration does deals with vaccine companies to supply America first, there is dismay among public health experts and campaigners who believe it is vital to pull together to end the pandemic.

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The end of plastic? New plant-based bottles will degrade in a year

Carlsberg and Coca-Cola back pioneering project to make ‘all-plant’ drinks bottles

Beer and soft drinks could soon be sipped from “all-plant” bottles under new plans to turn sustainably grown crops into plastic in partnership with major beverage makers.

A biochemicals company in the Netherlands hopes to kickstart investment in a pioneering project that hopes to make plastics from plant sugars rather than fossil fuels.

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French boy dies from coronavirus-linked Kawasaki diseae

Nine-year-old from Marseille had Covid-19 but no symptoms before dying in hospital

A nine-year-old boy from Marseille is reported to have died of Kawasaki disease, the mysterious inflammatory syndrome linked to coronavirus.

The boy is the first victim of the disease in France and only the second in Europe after a teenager died of the syndrome in London last week.

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Brazil loses second health minister – as it happened

Russia records highest daily fatalities; German football gets back under way; French child dies of Kawasaki disease. Follow the latest updates

This live blog is now closed – the new one is here where you can join Rebecca Ratcliffe for continuing coverage.

Related: Coronavirus live news: Barack Obama attacks Trump virus response

Tens of thousands of impoverished migrant workers are on the move across India, walking on highways and railway tracks or riding in trucks, buses and crowded trains in blazing heat, Associated Press reports.

Some are accompanied by pregnant wives and young children, braving threats from the coronavirus pandemic. They say they have been forced to leave cities and towns where they had toiled for years building homes and roads after they were abandoned by their employers casualties of a nationwide lockdown to stop the virus from spreading.

On Saturday, at least 23 laborers died in northern India when a truck they were traveling in smashed into a stationary truck on a highway. Last week, a train crashed into a group of tired workers who fell asleep on the tracks while walking back home in western Maharashtra state, killing 16.

The government and charities have tried to set up shelters for them, but their numbers are simply overwhelming, leaving them little choice but to head on a perilous journey home.

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UK researchers hope dogs can be trained to detect coronavirus

£500,000 government funding for project that ‘could revolutionise’ screening

Dogs are to be trained to try to sniff out the coronavirus before symptoms appear in humans, under trials launched with £500,000 of government funding.

Dogs have already been successfully trained to detect the odour of certain cancers, malaria and Parkinson’s disease, and a new study will look at whether labradors and cocker spaniels can be trained to detect Covid-19 in people.

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Kenya’s pastoralists face hunger and conflict as locust plague continues

As herds are devastated and crops destroyed across east Africa, there are fears of violence as competition for grazing increases

Tiampati Leletit had heard tales of massive desert locust swarms darkening Kenya’s horizon. But when they hit his farm the devastation was all too real. They ate everything.

“I have never seen anything like this. When the swarms of locust invaded, they consumed everything and all the vegetation was gone. The livestock had nothing to eat,” says the 32-year-old. In January, he had 80 goats. Today he has four.

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Africa facing a quarter of a billion coronavirus cases, WHO predicts

But continent will have fewer deaths than Europe and US because of its younger population and other lifestyle factors

Nearly a quarter of a billion people across 47 African countries will catch coronavirus over the next year, but the result will be fewer severe cases and deaths than in the US and Europe, new research predicts.

A model by the World Health Organization’s (WHO) regional office for Africa, published in the BMJ Global Health, predicts a lower rate of transmission and viral spread across the continent than elsewhere, resulting in up to 190,000 deaths. But the authors warn the associated rise in hospital admissions, care needs and “huge impact” on services such as immunisation and maternity, will overwhelm already stretched health services.

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Coronavirus live news: Europe could face deadly second wave of winter infections, WHO warns

Spain hails large-scale antibody study; no Danish virus deaths for first time since March; China marks one month with no Covid-19 deaths

New York will join the nearby states of New Jersey, Connecticut and Delaware in partially reopening beaches for the Memorial Day weekend, New York Governor Andrew Cuomo said on Friday.

Reuters reports that Cuomo’s announcement comes one day after New Jersey Governor Phil Murphy said he was opening the beaches for the traditional May 23-25 start of summer.

Related: Coronavirus US live: House to vote on $3tn stimulus package opposed by Trump and Senate

There were 242 new coronavirus fatalities in Italy on Friday, down by 20 from Thursday, bringing the total death toll to 31,610.

New infections rose by 789, down by over 200 within the last 24 hours, according to the civil protection authority.

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Coronavirus live news: global deaths near 300,000 as WHO says Covid-19 may never disappear

Japan expected to ease state of emergency in many regions; Russia has second highest number of infections; Wuhan mass testing begins; follow the latest updates

Morning/evening/whatever-it-is-where-you-are everyone. This is Simon Burnton taking on the live blog for the next few hours. If you have seen any stories that deserve our attention, or if you have any tips, comments or suggestions for our coverage then please let me know by sending me a message either to @Simon_Burnton on Twitter or via email. Thanks!

That’s it from me, Helen Sullivan for today.

Today I leave you with something a little different – a Ghanaian pallbearer and his band of merry, morbid men, who have become the unofficial mascots of the pandemic in countries around the world:

Related: 'Why should you cry?' Ghana's dancing pallbearers find new fame during Covid-19

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China hacking poses ‘significant threat’ to US Covid-19 response, says FBI

Beijing dismisses as slander US claims that any organisation researching vaccines should assume they are a target

Organisations conducting research into Covid-19 may be targeted by computer hackers linked to the Chinese government, according to the FBI and the Department of Homeland Security.

Neither agency cited any specific examples, but warned on Wednesday that institutions and companies involved in vaccines, treatments and testing for the coronavirus should take additional security measures to protect data and be aware of the potential threat.

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Covid-19 spreads to every African country – as it happened

Coronavirus may never be eradicated, warns WHO as Spanish study reveals 5% of the population has antibodies

We’ve launched a new blog at the link below – head there for the latest:

Related: Coronavirus live news: Trump 'surprised' by Fauci's reopening warnings as WHO says Covid-19 may never go

Donald Trump has ratcheted up his “Obamagate” conspiracy theory to implicate Joe Biden and other former White House officials in what critics say is a desperate attempt to distract from the coronavirus pandemic.

Related: Trump deepens 'Obamagate' conspiracy theory with Biden unmasking move

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Coronavirus UK: should I be wearing a face mask? – video explainer

The UK government has told the public to wear 'cloth face coverings' in crowded places where it's not possible to comply with physical-distancing measures, but what does this mean? Why not face masks? Outside too? Should anyone avoid wearing a face covering? The Guardian's health editor, Sarah Boseley, answers these and other questions

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Covid-19 crisis raises hopes of end to UK transmission of HIV

Sexual health experts see in lockdown restrictions a ‘once-in-a-lifetime’ chance

“In the war against any infectious virus,” says Dr Alan McOwan, “You’re trying to win various battles. You have to keep clobbering it from every direction you can.”

That’s true for coronavirus, he says, as well as for other viral conditions. An HIV specialist at London’s 56 Dean Street sexual health clinic, McOwan sees similarities between Covid-19 and HIV. Both are viruses without a working vaccine, you can be infectious without knowing it, and both rely mostly on close human contact to spread.

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