Promising Coronavirus Vaccine Finds Surreal Issue: Too Few Community Infections

Researchers hope that contagion rate will be maintained so that trials will cover enough patients to enable proof that the product effectively works against the coronavirus.

RIO DE JANEIRO, BRAZIL - Professor Adrian Hill, a researcher at Oxford University, said in an interview that the promising coronavirus vaccine under development has only a 50 percent chance of success. This is Hill’s effort to show that nothing is guaranteed, despite the high expectations surrounding his research.

Hill told British newspaper The Telegraph that his team had run into an issue that could hinder the initial September deadline for the distribution of vaccines. The setback is odd - the reduction in the rate of community contagion in the UK decreases the number of potential infected volunteers. Without enough people . . .

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