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    Coronavirus: First patients has been injected in UK vaccine trial

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    oxford coronavirus pandemic vaccination coronavirus uk vaccine trial
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      asma zahid last edited by zaasmi

      The first human trial in Europe of a coronavirus vaccine has begun in Oxford.

      Two volunteers were injected, the primary of quite 800 people recruited for the study.

      Half will receive the Covid-19 vaccine, and half an impact vaccine which protects against meningitis but not coronavirus.

      The design of the trial means volunteers won’t know which vaccine they’re getting, though doctors will.

      Elisa Granato, one among the 2 who received the jab, told the BBC: “I’m a scientist, so I wanted to undertake to support the scientific process wherever I can.”

      The vaccine was developed in under three months by a team at Oxford University . Sarah Gilbert, professor of vaccinology at the Jenner Institute, led the pre-clinical research.

      “Personally I even have a high degree of confidence during this vaccine,” she said.

      “Of course, we’ve to check it and obtain data from humans. we’ve to demonstrate it actually works and stops people getting infected with coronavirus before using the vaccine within the wider population.”

      Prof Gilbert previously said she was “80% confident” the vaccine would work, but now prefers to not put a figure thereon , saying simply she is “very optimistic” about its chances.
      So how does the vaccine work?

      The vaccine is formed from a weakened version of a standard cold virus (known as an adenovirus) from chimpanzees that has been modified so it cannot grow in humans.

      The Oxford team has already developed a vaccine against Mers, another sort of coronavirus, using an equivalent approach - which had promising leads to clinical trials.
      Image caption Fergus holding a vial of the vaccine developed by the Oxford team
      How will they know if it works?

      The only way the team will know if the Covid-19 vaccine works is by comparing the amount of individuals who get infected with coronavirus within the months ahead from the 2 arms of the trial.

      That could be a drag if cases fall rapidly within the UK, because there might not be enough data.

      Prof Andrew Pollard, director of the Oxford Vaccine Group, who is leading the trial, said: “We’re chasing the top of this current epidemic wave. If we do not catch that, we cannot be ready to tell whether the vaccine works within the next few months. But we do expect that there’ll be more cases within the future because this virus hasn’t gone away.”

      The vaccine researchers are prioritising the recruitment of local healthcare workers into the trial as they’re more likely than others to be exposed to the virus.

      A larger trial, of about 5,000 volunteers, will start within the coming months and can haven’t any regulation .

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      Older people tend to possess weaker immune responses to vaccines. Researchers are evaluating whether or not they might need two doses of the jab.

      The Oxford team is additionally working with researchers in Kenya a few possible vaccine trial there, where the rates of transmission are growing from a lower base.

      If the numbers might be a drag , why not deliberately infect volunteers with coronavirus?

      That would be a fast and certain thanks to determine if the vaccine was effective, but it might be ethically questionable because there are not any proven treatments for Covid-19.

      But which may be possible within the future. Prof Pollard said: “If we reach the purpose where we had some treatments for the disease and that we could guarantee the security of volunteers, that might be a really great way of testing a vaccine.”
      Is it safe?

      The trial volunteers are going to be carefully monitored within the coming months. they need been told that some may get a sore arm, headaches or fevers within the first few days after vaccination.

      They are also told there’s a theoretical risk that the virus could induce a significant reaction to coronavirus, which arose in some early Sars animal vaccine studies.
      Image copyright Sean Elias - Oxford Vaccine trial
      Image caption Work began on a vaccine in January

      But the Oxford team says its data suggests the danger of the vaccine producing an enhanced disease is minimal, and data from animal studies has been positive.

      Scientists there hope to possess a million doses ready by September, and to dramatically proportion manufacturing then , should the vaccine prove effective.
      So who would catch on first?

      Prof Gilbert says that has not been decided yet: “It’s not really our role to dictate what is going to happen, we just need to attempt to get a vaccine that works and have enough of it then it’ll be for others to make a decision .”

      Prof Pollard added: “We’ve need to ensure we’ve enough doses to supply for those in greatest need, not just within the UK but also in developing countries.”
      Media captionCoronavirus: what’s a vaccine and the way is one made?

      Another team at Imperial College London hopes to start human trials of its coronavirus vaccine in June.

      The Oxford and Imperial teams have received quite £40m of state funding.

      Health Secretary Matt Hancock has praised both teams and said the united kingdom will “throw everything we’ve got” at developing a vaccine.

      UK chief medical adviser Prof Chris Whitty has said neither a vaccine, nor a drug to treat Covid-19, is probably going to be available within subsequent year.

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