Coronavirus: AstraZeneca boss confident Covid-19 vaccine can succeed

Children, adults over 70 to now be included in COVID-19 vaccine clinical trials

"We are so proud to be collaborating with Oxford University to turn their ground-breaking work into a medicine that can be produced on a global scale", he said. While a trial of the vaccine on monkeys was allegedly successfully completed, the scientists behind the vaccine have said that this does not confirm whether it will work on humans. Sinovac is constructing a commercial vaccine production plant that is expected to manufacture up to 100 million doses of CoronaVac annually.

Trials on monkeys also appeared to show the vaccine offered some protection against Covid-19.

The trial, now in its second phase following preliminary testing on a small sample size of 160 patients, will involve people of all age demographics - from children older than 5 years to the elderly - to help test the effectiveness of the vaccine, called ChAdOx1 nCoV-19, in a wider variety of people.

The professor leading Oxford University's highly-anticipated coronavirus vaccine trial has poured cold water on much of the hype surrounding the project by warning that it has only a 50 percent chance of being successful.

The Oxford University mission to find a vaccine for the Covid-19 virus is in "a race against the virus disappearing, and against time", Adam Hill, director at Oxford University's Jenner Institute, said this weekend.

Speaking to the Sunday Telegraph, Professor Hill explained that the Oxford University Research group is facing "a race against the virus disappearing, and against time".

Yesterday, this was followed up by a figure dwarfing the UK's commitment, as the US Biomedical Advanced Research and Development Authority (BARDA) offered up to $1.2bn (€1.1bn) to support to expansion of manufacturing and development activities for the vaccine.

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"At the moment, there's a 50% chance that we get no result at all", scientist Adam Hill said this weekend.

"We're in the weird position of wanting Covid to stay, at least for a little while".

"The reputational damage to the university would be enormous if we provided the vaccine only for the United Kingdom and USA, and not for the rest of those countries of the world where it's very likely that the pandemic will still be raging", Hill said.

Should an effective vaccine become available in an initially limited supply, it should first be used to immunise health personnel, he said.

Calling for globally coordinated efforts both to produce and share an eventual vaccine, Dr Berkley said worldwide agreement was needed to build up manufacturing capacity to rapidly produce a vaccine once one is found.

"The clinical studies are progressing very well and we are now initiating studies to evaluate how well the vaccine induces immune responses in older adults", said Andrew Pollard, head of the Oxford Vaccine Group.

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