The volunteers lining up for Covid-19 challenge trials – The Guardian

Human challenge trials in which young, healthy volunteers are intentionally infected with a virus to allow vaccines and treatments to be tested quickly have been used in the fight against diseases ranging from typhoid and cholera to malaria.
With the announcement on Tuesday of such trials to help develop a vaccine against Covid-19 there is a key difference there are as yet very few proven therapies for the virus and we know little about its long-term effects.
But volunteers are lining up in th…

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