US President Donald Trump has directly contradicted Robert Redfield, the director of the US Centers for Disease Control and Prevention (CDC) over the timing of any coronavirus vaccine.

While Redfield told a US Senate committee a vaccine was unlikely to be ready until mid to late 2021, Trump said it would be much sooner and accused the CDC chief of making a “mistake” and being “confused”. He told the news conference a vaccine could be announced as soon as October. 

Trump has been pushing for a vaccine ahead of the November election, raising concerns about safety. Vaccine development usually takes years, and there is no guarantee of success. The process has been accelerated for the coronavirus and there are a number of candidates currently in large-scale phase three human trials, which are designed to test efficacy and safety.

Aljazeera

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