A simple blood test that could diagnose long Covid is on the horizon after a breakthrough by researchers in the UK.
Imperial College London scientists found a pattern of rogue antibodies in the blood of a small number of people with long-Covid symptoms.
The discovery, in a study of just a few dozen people that will now be repeated on a larger scale, could help medics create a simple test for use in doctors' offices.
At present, there is no test for long Covid and relatively little is known about the condition that is estimated to affect millions worldwide. Last week, the authorities in England said about two million people could have long-Covid symptoms.
Prof Danny Altmann, who leads the research team at Imperial College London, said that even vaccinated people could end up with long-Covid symptoms.
He told BBC News that the UK government's lifting of restrictions in England on July 19 and its plan for society to "live with" the coronavirus had far-reaching implications.
"If we're heading into a phase of 100,000 cases per day and we're saying that 10-20 per cent of all infections can result in long Covid, I can see no certainty that we're not brewing those long-Covid cases, despite having a vaccinated population," he said.
What the study found
Imperial researchers compared the blood of dozens of people and discovered so-called autoantibodies that were not present in people who recovered quickly.
The immune system normally uses antibodies to fight disease, but sometimes it turns on itself. Doctors across the world have seen young Covid-19 patients with cytokine storm syndrome, in which their immune system triggers severe inflammation, often in the lungs.
Prof Altmann said these overactive autoantibodies could be a factor in causing long-Covid symptoms. It is also possible, he said, that the virus "persists" for much longer in some people than others, possibly owing to immune system weakness.
Imperial researchers hope a simple test could be ready in 6 to 18 months, although the project would have to be increased from its small sample size.
Dr Elaine Maxwell, from the UK's National Institute of Health Research, told BBC News that the early findings were promising but that it was a "complex condition". She said that patients could experience a range of long-lasting symptoms after recovering from Covid-19.
Coronavirus third wave - in pictures
A Prayer Before Dawn
Director: Jean-Stephane Sauvaire
Starring: Joe Cole, Somluck Kamsing, Panya Yimmumphai
Three stars
UAE currency: the story behind the money in your pockets
Specs
Engine: Duel electric motors
Power: 659hp
Torque: 1075Nm
On sale: Available for pre-order now
Price: On request
Global state-owned investor ranking by size
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United States
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China
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UAE
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Japan
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Norway
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Canada
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Singapore
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Australia
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Saudi Arabia
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South Korea
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ESSENTIALS
The flights
Emirates flies from Dubai to Phnom Penh via Yangon from Dh2,700 return including taxes. Cambodia Bayon Airlines and Cambodia Angkor Air offer return flights from Phnom Penh to Siem Reap from Dh250 return including taxes. The flight takes about 45 minutes.
The hotels
Rooms at the Raffles Le Royal in Phnom Penh cost from $225 (Dh826) per night including taxes. Rooms at the Grand Hotel d'Angkor cost from $261 (Dh960) per night including taxes.
The tours
A cyclo architecture tour of Phnom Penh costs from $20 (Dh75) per person for about three hours, with Khmer Architecture Tours. Tailor-made tours of all of Cambodia, or sites like Angkor alone, can be arranged by About Asia Travel. Emirates Holidays also offers packages.
Saudi Cup race day
Schedule in UAE time
5pm: Mohamed Yousuf Naghi Motors Cup (Turf), 5.35pm: 1351 Cup (T), 6.10pm: Longines Turf Handicap (T), 6.45pm: Obaiya Arabian Classic for Purebred Arabians (Dirt), 7.30pm: Jockey Club Handicap (D), 8.10pm: Samba Saudi Derby (D), 8.50pm: Saudia Sprint (D), 9.40pm: Saudi Cup (D)
MATCH INFO
Everton v Tottenham, Sunday, 8.30pm (UAE)
Match is live on BeIN Sports
THE SCORES
Ireland 125 all out
(20 overs; Stirling 72, Mustafa 4-18)
UAE 125 for 5
(17 overs, Mustafa 39, D’Silva 29, Usman 29)
UAE won by five wickets
The specs: Fenyr SuperSport
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Engine: 3.8-litre twin-turbo flat-six
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match info
Maratha Arabians 138-2
C Lynn 91*, A Lyth 20, B Laughlin 1-15
Team Abu Dhabi 114-3
L Wright 40*, L Malinga 0-13, M McClenaghan 1-17
Maratha Arabians won by 24 runs
From Europe to the Middle East, economic success brings wealth - and lifestyle diseases
A rise in obesity figures and the need for more public spending is a familiar trend in the developing world as western lifestyles are adopted.
One in five deaths around the world is now caused by bad diet, with obesity the fastest growing global risk. A high body mass index is also the top cause of metabolic diseases relating to death and disability in Kuwait, Qatar and Oman – and second on the list in Bahrain.
In Britain, heart disease, lung cancer and Alzheimer’s remain among the leading causes of death, and people there are spending more time suffering from health problems.
The UK is expected to spend $421.4 billion on healthcare by 2040, up from $239.3 billion in 2014.
And development assistance for health is talking about the financial aid given to governments to support social, environmental development of developing countries.
India team for Sri Lanka series
Test squad: Rohit Sharma (captain), Priyank Panchal, Mayank Agarwal, Virat Kohli, Shreyas Iyer, Hanuma Vihari, Shubhman Gill, Rishabh Pant (wk), KS Bharath (wk), Ravindra Jadeja, Jayant Yadav, Ravichandran Ashwin, Kuldeep Yadav, Sourabh Kumar, Mohammed Siraj, Umesh Yadav, Mohammed Shami, Jasprit Bumrah.
T20 squad: Rohit Sharma (captain), Ruturaj Gaikwad, Shreyas Iyer, Surya Kumar Yadav, Sanju Samson, Ishan Kishan (wk), Venkatesh Iyer, Deepak Chahar, Deepak Hooda, Ravindra Jadeja, Yuzvendra Chahal, Ravi Bishnoi, Kuldeep Yadav, Mohammed Siraj, Bhuvneshwar Kumar, Harshal Patel, Jasprit Bumrah, Avesh Khan
The specs
Engine: 3.0-litre six-cylinder turbo
Power: 398hp from 5,250rpm
Torque: 580Nm at 1,900-4,800rpm
Transmission: Eight-speed auto
Fuel economy, combined: 6.5L/100km
On sale: December
Price: From Dh330,000 (estimate)
Sholto Byrnes on Myanmar politics
