Transcript for Race to find COVID-19 vaccine intensifying
Jon, thank you. Next tonight, eight human trials under way for a vaccine. Two in the U.S. Tonight, what oxford researchers say about how soon they could have an answer. And good news from a trial right here in the U.S. As we hear from a volunteer in that trial. Here's Kaylee Hartung. Reporter: Tonight, the race to find a vaccine intensifying. In Washington state, officials say they're going at record speed using a new process in the first of only two trials in the U.S. Neal browning, volunteering. Two doses, and relatively no side effects? None whatsoever. Reporter: In the U.K., oxford's trial is showing the most promise. Researchers say it works on monkeys and could get first results in humans by mid-june. The intention is to make enough doses so that were it approved in, say, September, we would actually have 30 million doses. Reporter: President trump optimistic about rolling out a vaccine soon. We are very confident that we're going to have a vaccine at the end of the year. Reporter: The former acting head of the CDC casting doubt on whether they can even have a viable vaccine. There are a number viral infections, HIV, dengue, where scientists have been working for decades and still haven't come with a safe and effective vaccine. Reporter: The fda fast tracking emergency use of a Swiss antibody test made by Roche. They say it's 99.8% accurate. 170 tests developed, only four fda approved. With demand so high, they were allowed on the market even though they didn't prove their reliability. Emergency authorization requests now must be submitted, an attempt to weed out inaccurate tests. I was very aware that didn't make me necessarily immune. Kaylee is with us live from Los Angeles. The president saying we could have a vaccine by January. Dr. Fauci weighing in on this, saying it is possible that once they have a likely vaccine, they need to start manufacturing and quickly. But what is the timeline we're looking at tonight? Reporter: He's said it will take six to nine months, which means if we want it by January, the window is quickly closing. Kaylee, thank you. Overseas, Italy is taking its biggest steps to reopen after an eight-week lockdown. And the worst death toll in all
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