AstraZeneca targets 2bn doses, poor countries with COVID vaccine deals

British drugmaker AstraZeneca has doubled manufacturing capacity for its potential coronavirus vaccine to 2 billion doses in a handful of deals involving Microsoft billionaire Bill Gates that guarantee early supply to lower income countries.

The deals with epidemic response group CEPI and vaccine alliance GAVI are backed by the World Health Organisation and aim to quell concerns that the company was committing all initial supplies of the vaccine to the developed world.

It is unclear if vaccines will work against the coronavirus but dozens of companies are in the race to develop one, and AstraZeneca's partnership with Oxford University is one of a handful to be backed so far by US President Donald Trump's COVID task force.

The White House last month secured 300 million of the first doses of the potential vaccine, named AZD1222, in a deal that also committed more than $1 billion in backing to testing and manufacturing. UK has booked another 100 million.

Under Thursday's deals, the company will supply 300 million doses, starting this year, to CEPI and GAVI as it aims at fair and equitable distribution of the vaccine, Chief Executive Officer Pascal Soriot said.

He said AstraZeneca had also agreed terms with Serum Institute of India, the world's largest manufacturer of vaccines by volume, to supply one billion doses for low and middle-income countries.

Part of the vaccine doses produced by Serum will be used in India, with the remainder allocated to GAVI, the company said on a call with journalists.

That leaves AstraZeneca with 300 million doses in planned production capacity, which has yet to be earmarked for use.

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

The vaccine, previously known as ChAdOx1 nCoV-19, was developed by the University of Oxford and licensed to AstraZeneca. Immunity to the new coronavirus is uncertain and so the use of vaccines is unclear.

"You can't spend your time wondering is it going to work. We have to commit. That's what we do in the industry, we bet on something. We are completely committed to the vaccine programme to deliver," Soriot said.