AstraZeneca vaccine: Experts cast doubt on blood clot claims and predict suspensions to lift soon


Daniel Bardsley
  • English
  • Arabic

Countries that suspended the rollout of the Oxford-AstraZeneca vaccine will re-start immunisation programmes after they analyse data on the jab, experts have predicted.

A number of countries, mostly in Europe, have stopped using the British-developed shot amid concerns that it could cause blood clots in those receiving it.

However, Dr Andrew Freedman, an infectious diseases specialist at Cardiff University, said that when such large numbers people are being studied, it would be normal to find blood clots across the population.

“It’s unlikely to be a causal relationship,” he said.

“I expect they will resume the use of the AstraZeneca vaccine once they’ve had a chance to look at the cases.”

I expect they will resume the use of the AstraZeneca vaccine once they've had a chance to look at the cases

The medicines regulator in Norway has reported four serious cases of blood clotting in adults who received the jab, while there have been reports of deaths from blood clots in Austria, Denmark and Italy.

More than 10 European countries, as well as Indonesia, have suspended the use of the vaccine while they investigate data from health authorities about blood clots. Thailand last week said it would delay its rollout, but has since said this will go ahead.

However, the World Health Organisation has insisted the jab is safe and AstraZeneca too has said there is no evidence of an increased risk of blood clots.

The company said that among 17 million doses administered in Europe, there have been 37 cases of pulmonary embolism [a clot in a blood vessel in the lungs] or deep-vein thrombosis, fewer than normally expected among a group that size.

The European Medicines Agency and the UK’s regulator, the Medicines and Healthcare Products Regulatory Agency, also say there is no evidence the blood clots were caused by the vaccine.

Speaking to the BBC on Monday, Prof Andrew Pollard, head of the Oxford Vaccine Group which developed the jab, maintained the shot did not increase the risk of blood clots and said the desire to pause rollouts should be balanced “against the huge risks of Covid”.

“We’ve got very reassuring evidence there’s no increase in blood clots here in the UK, where most doses in Europe have been given,” he said, referencing the more than 11m doses of the jab given in the UK, the largest of any country.

Although approved for use in people of all ages by the EMA, the Oxford-AstraZeneca jab has had a lukewarm reception in Europe, partly because clinical trials included relatively few older people.

In late January the French president, Emmanuel Macron, described it as “quasi-ineffective” in over-65s and several European countries decided not to administer it to older residents.

These age restrictions have typically been lifted as more data has come in, but there have been reports of some residents turning the vaccine down.

Switzerland, which is not part of the EU, has yet to give the green light for the vaccine to be given to people of any age.

Dubai Health Authority approved the jab for anyone aged 18 to 65 in early February and about a month later removed the upper age limit.

Prof David Taylor, professor emeritus of pharmaceutical and public health policy at University College London, said countries that had suspended use of the vaccine were “being over the top”.

“It’s going to be likely that people who have had the vaccine have blood clots [by chance],” he added. “I think they’re being rather silly”.

Covid-19 itself is thought to increase the risk of blood clots, and patients are sometimes prescribed anticoagulant medication as a result.

In February, the Oxford-AstraZeneca jab became the second vaccine against the coronavirus to be given approval for emergency use by the World Health Organisation, although countries had starting using it weeks earlier after their own regulators gave the green light.

Because it is relatively cheap to manufacture and can be kept in refrigerators – unlike some other shots that require extreme cold temperature storage – it is particularly suited to rollouts in developing nations.

Given in two doses, it is made from a type of virus called an adenovirus that normally infects chimpanzees but that is unable to replicate or cause disease.

The adenovirus has had genetic material added so that it causes human cells to produce coronavirus spike proteins, the immune response to which provides protection against Covid-19.

UAE currency: the story behind the money in your pockets
UAE currency: the story behind the money in your pockets
The specs
Engine: 2.0-litre turbo 4-cyl

Transmission: eight-speed auto

Power: 190bhp

Torque: 300Nm

Price: Dh169,900

On sale: now 

SPEC%20SHEET%3A%20APPLE%20IPHONE%2014
%3Cp%3E%3Cstrong%3EDisplay%3A%3C%2Fstrong%3E%C2%A06.1%22%20Super%20Retina%20XDR%20OLED%2C%202532%20x%201170%2C%20460ppi%2C%20HDR%2C%20True%20Tone%2C%20P3%2C%201200%20nits%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EProcessor%3A%3C%2Fstrong%3E%C2%A0A15%20Bionic%2C%206-core%20CPU%2C%205-core%20GPU%2C%2016-core%20Neural%20Engine%C2%A0%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EMemory%3A%3C%2Fstrong%3E%C2%A06GB%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3ECapacity%3A%3C%2Fstrong%3E%C2%A0128%2F256%2F512GB%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EPlatform%3A%3C%2Fstrong%3E%C2%A0iOS%2016%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EMain%20camera%3A%3C%2Fstrong%3E%C2%A0Dual%2012MP%20main%20(f%2F1.5)%20%2B%2012MP%20ultra-wide%20(f%2F2.4)%3B%202x%20optical%2C%205x%20digital%3B%20Photonic%20Engine%2C%20Deep%20Fusion%2C%20Smart%20HDR%204%2C%20Portrait%20Lighting%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EMain%20camera%20video%3A%3C%2Fstrong%3E%C2%A04K%20%40%2024%2F25%2F3060fps%2C%20full-HD%20%40%2025%2F30%2F60fps%2C%20HD%20%40%2030fps%3B%20HD%20slo-mo%20%40%20120%2F240fps%3B%20night%2C%20time%20lapse%2C%20cinematic%2C%20action%20modes%3B%20Dolby%20Vision%2C%204K%20HDR%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EFront%20camera%3A%3C%2Fstrong%3E%C2%A012MP%20TrueDepth%20(f%2F1.9)%2C%20Photonic%20Engine%2C%20Deep%20Fusion%2C%20Smart%20HDR%204%3B%20Animoji%2C%20Memoji%3B%20Portrait%20Lighting%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EFront%20camera%20video%3A%3C%2Fstrong%3E%204K%20%40%2024%2F25%2F3060fps%2C%20full-HD%20%40%2025%2F30%2F60fps%2C%20HD%20slo-mo%20%40%20120fps%3B%20night%2C%20time%20lapse%2C%20cinematic%2C%20action%20modes%3B%20Dolby%20Vision%2C%204K%20HDR%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EBattery%3A%3C%2Fstrong%3E%C2%A03279%20mAh%2C%C2%A0up%20to%2020h%20video%2C%2016h%20streaming%20video%2C%2080h%20audio%3B%20fast%20charge%20to%2050%25%20in%2030m%3B%20MagSafe%2C%20Qi%20wireless%20charging%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EConnectivity%3A%3C%2Fstrong%3E%C2%A0Wi-Fi%2C%20Bluetooth%205.3%2C%20NFC%20(Apple%20Pay)%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EBiometrics%3A%3C%2Fstrong%3E%20Face%20ID%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EI%2FO%3A%3C%2Fstrong%3E%C2%A0Lightning%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3ECards%3A%3C%2Fstrong%3E%C2%A0Dual%20eSIM%20%2F%20eSIM%20%2B%20SIM%20(US%20models%20use%20eSIMs%20only)%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EColours%3A%3C%2Fstrong%3E%C2%A0Blue%2C%20midnight%2C%20purple%2C%20starlight%2C%20Product%20Red%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EIn%20the%20box%3A%3C%2Fstrong%3E%C2%A0iPhone%2014%2C%20USB-C-to-Lightning%20cable%2C%20one%20Apple%20sticker%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EPrice%3A%3C%2Fstrong%3E%C2%A0Dh3%2C399%20%2F%20Dh3%2C799%20%2F%20Dh4%2C649%3C%2Fp%3E%0A
Specs

Engine: Dual-motor all-wheel-drive electric

Range: Up to 610km

Power: 905hp

Torque: 985Nm

Price: From Dh439,000

Available: Now

The specs
Engine: 4.0-litre flat-six
Power: 510hp at 9,000rpm
Torque: 450Nm at 6,100rpm
Transmission: 7-speed PDK auto or 6-speed manual
Fuel economy, combined: 13.8L/100km
On sale: Available to order now
Price: From Dh801,800
Pharaoh's curse

British aristocrat Lord Carnarvon, who funded the expedition to find the Tutankhamun tomb, died in a Cairo hotel four months after the crypt was opened.
He had been in poor health for many years after a car crash, and a mosquito bite made worse by a shaving cut led to blood poisoning and pneumonia.
Reports at the time said Lord Carnarvon suffered from “pain as the inflammation affected the nasal passages and eyes”.
Decades later, scientists contended he had died of aspergillosis after inhaling spores of the fungus aspergillus in the tomb, which can lie dormant for months. The fact several others who entered were also found dead withiin a short time led to the myth of the curse.

The specs

AT4 Ultimate, as tested

Engine: 6.2-litre V8

Power: 420hp

Torque: 623Nm

Transmission: 10-speed automatic

Price: From Dh330,800 (Elevation: Dh236,400; AT4: Dh286,800; Denali: Dh345,800)

On sale: Now

Explainer: Tanween Design Programme

Non-profit arts studio Tashkeel launched this annual initiative with the intention of supporting budding designers in the UAE. This year, three talents were chosen from hundreds of applicants to be a part of the sixth creative development programme. These are architect Abdulla Al Mulla, interior designer Lana El Samman and graphic designer Yara Habib.

The trio have been guided by experts from the industry over the course of nine months, as they developed their own products that merge their unique styles with traditional elements of Emirati design. This includes laboratory sessions, experimental and collaborative practice, investigation of new business models and evaluation.

It is led by British contemporary design project specialist Helen Voce and mentor Kevin Badni, and offers participants access to experts from across the world, including the likes of UK designer Gareth Neal and multidisciplinary designer and entrepreneur, Sheikh Salem Al Qassimi.

The final pieces are being revealed in a worldwide limited-edition release on the first day of Downtown Designs at Dubai Design Week 2019. Tashkeel will be at stand E31 at the exhibition.

Lisa Ball-Lechgar, deputy director of Tashkeel, said: “The diversity and calibre of the applicants this year … is reflective of the dynamic change that the UAE art and design industry is witnessing, with young creators resolute in making their bold design ideas a reality.”

25-MAN SQUAD

Goalkeepers: Francis Uzoho, Ikechukwu Ezenwa, Daniel Akpeyi
Defenders: Olaoluwa Aina, Abdullahi Shehu, Chidozie Awaziem, William Ekong, Leon Balogun, Kenneth Omeruo, Jamilu Collins, Semi Ajayi 
Midfielders: John Obi Mikel, Wilfred Ndidi, Oghenekaro Etebo, John Ogu
Forwards: Ahmed Musa, Victor Osimhen, Moses Simon, Henry Onyekuru, Odion Ighalo, Alexander Iwobi, Samuel Kalu, Paul Onuachu, Kelechi Iheanacho, Samuel Chukwueze 

On Standby: Theophilus Afelokhai, Bryan Idowu, Ikouwem Utin, Mikel Agu, Junior Ajayi, Valentine Ozornwafor

Results:

5pm: Handicap (PA) | Dh80,000 | 1,600 metres

Winner: Dasan Da, Saeed Al Mazrooei (jockey), Helal Al Alawi (trainer)

5.30pm: Maiden (PA) | Dh80,000 | 1,600m

Winner: AF Saabah, Tadhg O’Shea, Ernst Oertel

6pm: Handicap (PA) | Dh80,000 | 1,600m

Winner: Mukaram, Pat Cosgrave, Eric Lemartinel

6.30pm: Handicap (PA) | Dh80,000 | 2,200m

Winner: MH Tawag, Richard Mullen, Elise Jeanne

7pm: Wathba Stallions Cup Handicap (PA) | Dh70,000 | 1,400m

Winner: RB Inferno, Fabrice Veron, Ismail Mohammed

7.30pm: Handicap (TB) | Dh100,000 | 1,600m

Winner: Juthoor, Jim Crowley, Erwan Charpy

Living in...

This article is part of a guide on where to live in the UAE. Our reporters will profile some of the country’s most desirable districts, provide an estimate of rental prices and introduce you to some of the residents who call each area home. 

Profile

Co-founders of the company: Vilhelm Hedberg and Ravi Bhusari

Launch year: In 2016 ekar launched and signed an agreement with Etihad Airways in Abu Dhabi. In January 2017 ekar launched in Dubai in a partnership with the RTA.

Number of employees: Over 50

Financing stage: Series B currently being finalised

Investors: Series A - Audacia Capital 

Sector of operation: Transport

Specs

Engine: Duel electric motors
Power: 659hp
Torque: 1075Nm
On sale: Available for pre-order now
Price: On request

UAE currency: the story behind the money in your pockets
Uefa Nations League: How it Works

The Uefa Nations League, introduced last year, has reached its final stage, to be played over five days in northern Portugal. The format of its closing tournament is compact, spread over two semi-finals, with the first, Portugal versus Switzerland in Porto on Wednesday evening, and the second, England against the Netherlands, in Guimaraes, on Thursday.

The winners of each semi will then meet at Porto’s Dragao stadium on Sunday, with the losing semi-finalists contesting a third-place play-off in Guimaraes earlier that day.

Qualifying for the final stage was via League A of the inaugural Nations League, in which the top 12 European countries according to Uefa's co-efficient seeding system were divided into four groups, the teams playing each other twice between September and November. Portugal, who finished above Italy and Poland, successfully bid to host the finals.

War

Director: Siddharth Anand

Cast: Hrithik Roshan, Tiger Shroff, Ashutosh Rana, Vaani Kapoor

Rating: Two out of five stars 

The five pillars of Islam

1. Fasting

2. Prayer

3. Hajj

4. Shahada

5. Zakat 

The National's picks

4.35pm: Tilal Al Khalediah
5.10pm: Continous
5.45pm: Raging Torrent
6.20pm: West Acre
7pm: Flood Zone
7.40pm: Straight No Chaser
8.15pm: Romantic Warrior
8.50pm: Calandogan
9.30pm: Forever Young

Red flags
  • Promises of high, fixed or 'guaranteed' returns.
  • Unregulated structured products or complex investments often used to bypass traditional safeguards.
  • Lack of clear information, vague language, no access to audited financials.
  • Overseas companies targeting investors in other jurisdictions - this can make legal recovery difficult.
  • Hard-selling tactics - creating urgency, offering 'exclusive' deals.

Courtesy: Carol Glynn, founder of Conscious Finance Coaching

Low turnout
Two months before the first round on April 10, the appetite of voters for the election is low.

Mathieu Gallard, account manager with Ipsos, which conducted the most recent poll, said current forecasts suggested only two-thirds were "very likely" to vote in the first round, compared with a 78 per cent turnout in the 2017 presidential elections.

"It depends on how interesting the campaign is on their main concerns," he told The National. "Just now, it's hard to say who, between Macron and the candidates of the right, would be most affected by a low turnout."

Why are asylum seekers being housed in hotels?

The number of asylum applications in the UK has reached a new record high, driven by those illegally entering the country in small boats crossing the English Channel.

A total of 111,084 people applied for asylum in the UK in the year to June 2025, the highest number for any 12-month period since current records began in 2001.

Asylum seekers and their families can be housed in temporary accommodation while their claim is assessed.

The Home Office provides the accommodation, meaning asylum seekers cannot choose where they live.

When there is not enough housing, the Home Office can move people to hotels or large sites like former military bases.

Six large-scale objects on show
  • Concrete wall and windows from the now demolished Robin Hood Gardens housing estate in Poplar
  • The 17th Century Agra Colonnade, from the bathhouse of the fort of Agra in India
  • A stagecloth for The Ballet Russes that is 10m high – the largest Picasso in the world
  • Frank Lloyd Wright’s 1930s Kaufmann Office
  • A full-scale Frankfurt Kitchen designed by Margarete Schütte-Lihotzky, which transformed kitchen design in the 20th century
  • Torrijos Palace dome
THE BIO

Ms Davison came to Dubai from Kerala after her marriage in 1996 when she was 21-years-old

Since 2001, Ms Davison has worked at many affordable schools such as Our Own English High School in Sharjah, and The Apple International School and Amled School in Dubai

Favourite Book: The Alchemist

Favourite quote: Failing to prepare is preparing to fail

Favourite place to Travel to: Vienna

Favourite cuisine: Italian food

Favourite Movie : Scent of a Woman

 

 

BEACH SOCCER WORLD CUP

Group A

Paraguay
Japan
Switzerland
USA

Group B

Uruguay
Mexico
Italy
Tahiti

Group C

Belarus
UAE
Senegal
Russia

Group D

Brazil
Oman
Portugal
Nigeria

THE CLOWN OF GAZA

Director: Abdulrahman Sabbah 

Starring: Alaa Meqdad

Rating: 4/5

Volvo ES90 Specs

Engine: Electric single motor (96kW), twin motor (106kW) and twin motor performance (106kW)

Power: 333hp, 449hp, 680hp

Torque: 480Nm, 670Nm, 870Nm

On sale: Later in 2025 or early 2026, depending on region

Price: Exact regional pricing TBA

The biog

Favourite colour: Brown

Favourite Movie: Resident Evil

Hobbies: Painting, Cooking, Imitating Voices

Favourite food: Pizza

Trivia: Was the voice of three characters in the Emirati animation, Shaabiyat Al Cartoon

UAE currency: the story behind the money in your pockets
COMPANY%20PROFILE
%3Cp%3E%3Cstrong%3EName%3A%20%3C%2Fstrong%3ESmartCrowd%0D%3Cbr%3E%3Cstrong%3EStarted%3A%20%3C%2Fstrong%3E2018%0D%3Cbr%3E%3Cstrong%3EFounder%3A%20%3C%2Fstrong%3ESiddiq%20Farid%20and%20Musfique%20Ahmed%0D%3Cbr%3E%3Cstrong%3EBased%3A%20%3C%2Fstrong%3EDubai%0D%3Cbr%3E%3Cstrong%3ESector%3A%20%3C%2Fstrong%3EFinTech%20%2F%20PropTech%0D%3Cbr%3E%3Cstrong%3EInitial%20investment%3A%20%3C%2Fstrong%3E%24650%2C000%0D%3Cbr%3E%3Cstrong%3ECurrent%20number%20of%20staff%3A%3C%2Fstrong%3E%2035%0D%3Cbr%3E%3Cstrong%3EInvestment%20stage%3A%20%3C%2Fstrong%3ESeries%20A%0D%3Cbr%3E%3Cstrong%3EInvestors%3A%20%3C%2Fstrong%3EVarious%20institutional%20investors%20and%20notable%20angel%20investors%20(500%20MENA%2C%20Shurooq%2C%20Mada%2C%20Seedstar%2C%20Tricap)%3C%2Fp%3E%0A
The burning issue

The internal combustion engine is facing a watershed moment – major manufacturer Volvo is to stop producing petroleum-powered vehicles by 2021 and countries in Europe, including the UK, have vowed to ban their sale before 2040. The National takes a look at the story of one of the most successful technologies of the last 100 years and how it has impacted life in the UAE.

Read part three: the age of the electric vehicle begins

Read part two: how climate change drove the race for an alternative 

Read part one: how cars came to the UAE