Not a 'Silver Bullet': UK Scientists Say First COVID Vaccine Unlikely to Stop People Catching Virus
It was reported this week that the United Kingdom is expected to become the first country to hold controversial “COVID-19 human challenge trials” by infecting participants with Sars-Cov-2 in a bid to test the effectiveness of its anti-coronavirus vaccine. The trials are expected to be launched next year.
Scientists advising the UK government have warned that the first vaccine against coronavirus is only likely to reduce symptoms of COVID-19 instead of being a “silver bullet” which provides lifelong immunity to people or prevents them from catching the disease, according to the Times.
The UK’s Chief Medical Officer, Professor Chris Whitty, said that soon-to-be-unleashed jabs are only expected to have an efficiency rate between 40% to 60% - just like flu vaccines – and will be highly unlikely to completely stop people from getting infected with coronavirus.
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