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A sub-group of trial participants received a half dose of the experimental vaccine followed by a full dose

'Additional study' needed for AstraZeneca vaccine

Coronavirus • 26 Nov

About a dozen Covid-19 vaccines around the world are currently in the final stages of testing

What progress is being made with Covid-19 vaccines?

Coronavirus • 09 Nov

AstraZeneca's vaccine candidate is being developed with the University of Oxford

AstraZeneca, J&J vaccine trials back on track in US

World • 24 Oct

An unspecified illness occurred in patients during the trials (stock image)

AstraZeneca pauses vaccine trials over safety concern

Coronavirus • 09 Sep

AstraZeneca is developing its vaccine in conjunction with Oxford University researchers

AstraZeneca's Covid vaccine begins late-stage US study

Business • 01 Sep

The UK drugmaker's Covid-19 vaccine candidate is already among the most advanced

AstraZeneca starts trial of COVID-19 antibody treatment

Business • 25 Aug

Remdesvir is the only drug so far authorised in the EU to treat patients

EU buys enough remdesivir to treat 30,000 Covid cases

Coronavirus • 29 Jul

Sanofi expects to get approval for the potential Covid-19 vaccine it is developing with GlaxoSmithKline by the first half of next year

Sanofi eyes approval of Covid-19 vaccine by H1 2021

Business • 23 Jun

AstraZeneca signs a second deal with US authorities backing its development of a monoclonal antibody treatment against Covid-19

AstraZeneca wins US backing in race for Covid treatment

Business • 09 Jun

Experts predict a safe and effective vaccine could take 12 to 18 months to develop

AstraZeneca to make billion vaccine doses if tests work

Business • 21 May

A batch of 10 new medicines - which grew 85% in the latest quarter - now offer the company path to growth

AstraZeneca sees years of growth as sales turn corner

Business • 08 Nov 18

AstraZeneca said its earnings per share outlook for the year would not change as a result of the Perrigo deal

AstraZeneca sells US drug rights to Perrigo

Business • 23 Nov 15

Pfizer gives no update on acquisition plans after its recent failed efforts to buy rival UK's AstraZeneca

Pfizer beats sales and profit forecasts

Business • 28 Oct 14

British takeover rules mean it will be at least three months before any fresh talks can take place between the companies

Pfizer abandons AstraZeneca bid

Business • 26 May 14

AstraZeneca rejects latest £55 a share offer from Pfizer

AstraZeneca rejects £55 a share Pfizer offer

Business • 19 May 14

80% of Britons agree with animal testing for medical purposes or in good conditions

Medical bodies to open up on animal testing

News • 14 May 14

UK science and technology committee grill AstraZenca and Pfizer bosses on the potential implications for UK jobs

Pfizer would ringfence new drugs in AZ deal

Business • 14 May 14

Bosses of Pfizer and AstraZeneca appeared before a British committee to discuss the takeover bid

Pfizer hints at improved offer for AstraZeneca

Business • 13 May 14

British PM wants stronger guarantees from Pfizer

British PM wants more commitments from Pfizer

Business • 07 May 14

AstraZeneca rejects latest offer from Pfizer

AstraZeneca rejects Pfizer's latest bid

Business • 02 May 14

US drugmaker Pfizer employs over 3,000 people in Ireland

Pfizer confirms takeover bid for AstraZeneca

Business • 28 Apr 14

No comment from AstraZeneca on weekend reports that Pfizer had made a tentative approach for the UK firm

AstraZeneca shares rise on possible Pfizer deal

Business • 22 Apr 14

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