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From KQED.

Welcome back to Forum.

I'm Michael Krasny.

National Institutes of Health Director Francis Collins told Congress yesterday that no safety standards will be compromised as the government

evaluates the three COVID-19 vaccines that have advanced to phase three clinical trials.

His remarks came a day after a group of pharmaceutical companies made a similar safety pledge

and after AstraZeneca halted its vaccine study when a participant became seriously ill.

The reassurances follow recent statements by President Trump that a vaccine would be available

before Election Day, a claim that health experts widely dispute.

We're going to talk about the status of COVID-19 vaccine research with Meg Terrell, who joins

us.

She's senior health and science reporter for CNBC and welcome Meg Terrell.

...