Volunteers to Be Infected With Coronavirus in Vaccine-Effectiveness Trials in U.K. – The Wall Street Journal

LONDON– U.K. researchers plan to begin contaminating healthy volunteers with securely controlled doses of the coronavirus in early 2021 in what they called a first-of-its-kind effort to more rapidly determine the effectiveness of numerous vaccines versus Covid-19. The prepare for so-called human-challenge trials target 18- to 30-year-olds who have actually been free of Covid-19 signs and reveal no other threat aspects such as cardiovascular disease or diabetes, said the researchers, led by infectious-disease professionals at Imperial College London, who are …

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