Transcript for People volunteer for get experimental vaccines
volunteers literally rolling up their sleeves in the fight against covid-19 and describing what they've been experiencing after receiving an experimental vaccine. ABC's David Wright has more. Reporter: It's been four months since 43-year-old Jennifer heller of Ballard, Washington, became the first American to be injected with an experimental covid-19 vaccine. It's been 16 weeks since I had the first dose. Reporter: She's one of dozens of brave volunteers putting themselves at risk to help find a vaccine that is safe and effective for the rest of us. There are a lot of unknowns. Ian Hayden, a 29-year-old science communications specialist at the university of Washington, is participating in the same trial funded by the pharmaceutical company modern and the nih. So I got two injections, one month apart. The actual shots themselves, they didn't feel like anything. Reporter: He says the first gave him a sore arm. The second one brought on mild flu symptoms for a day or so. I was concerned a bit. I didn't want it to get any worse. Reporter: Experts say our hopes for a return to normal life depend very much on the trial's success. The first phase 3 trial is set to start this summer. It's the citizenry of our country that have to help us as scientists find out whether the vaccine is going to be good enough for all of us. I'm feeling very normal. I am taking the same precautions that everybody else is right now, wearing a mask out in public. Reporter: Like all of us, they're hoping for the best. For "Good morning America," David Wright, ABC news, new York. And I think we are all hoping for a vaccine that works very soon. Yes.
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