US Begins First Human Trial Of Coronavirus Vaccine

The first human trial to evaluate a candidate vaccine against coronavirus disease 2019 has begun in Seattle, US health officials said Monday. “The open-label trial will enroll 45 healthy adult volunteers ages 18 to 55 years over approximately 6 weeks,” the US National Institutes of Health (NIH) said in a statement.
“The first participant received the investigation vaccine today.” But the candidate would still need to progress through various more stages, known as phases, to prove it works and is safe.
US officials have estimated it may take another year to 18 months before it becomes available — if everything goes to plan.
The vaccine is called mRNA-1273 and was developed by NIH scientists and collaborators at biotechnology company Moderna, which is based in Cambridge, Massachusetts.

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