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It may also be possible to create a vaccine that reduces the symptoms of Covid-19 even if it does not prevent the disease itself. As the chief medical officer Professor Chris Whitty pointed out in a lecture last week, vaccines can be therapeutic as well as preventative.
The other big positive is the scale of the race. Never in history has so much human, financial and technical resource been dedicated to finding a vaccine for a single virus.
According to the World Health Organization, there are already 82 vaccine candidates being pursued for Sars-Cov-2 across the globe, six of which have already progressed to human trials.
A successful Chinese trial of a vaccine in monkeys was also reported at the weekend. Eight rhesus macaques were given the jab and none developed serious symptoms when the virus was later injected directly into their lungs. In contrast, four animals in a control group all developed pneumonia.
The results “give us a lot of confidence” that the vaccine will work in humans, one of the lead researchers told Science magazine.
Originally Posted by: Retron