The first clinical trials to find a coronavirus vaccine have begun at a hospital in Seattle. A total of 45 men and women have volunteered to be injected. Unlike most vaccines, these COVID-19 vaccines have not been tested on mice, and will go directly to humans due to the urgent need for the drug. Lisa Guerrero spoke with Neal Browning, one of the men who is participating in the trial. He explained what he has to go through as part of this brave new experiment.