Coronavirus: Scientists in the US race to find a vaccine
US health officials say this is the fastest science has ever moved to develop a vaccine.
Scientists in the US are racing to find a vaccine for the novel coronavirus.
Government agencies, universities and several private companies are involved in the effort.
Al Jazeera’s Heidi Zhou-Castro visited a lab in the US state of Maryland, where researchers say they are making some progress.
Published On 28 Feb 2020