Meet the company that has just begun testing a coronavirus vaccine in the United States
The biotech Moderna delivers messenger RNA (blue) into cells to be translated into proteins by ribosomes.
*Update, 25 March: Among dozens of vaccine candidates now under development to fight the new coronavirus, Moderna Therapeutics’s mRNA-1273 was the first to emerge. The company is speeding the vaccine through an initial safety trial in collaboration with the National Institute of Allergy and Infectious Diseases, and today revealed its plan to distribute the vaccine to health care workers as early as this fall. In 2017, Science visited Moderna to get a look at its core technology and its broad ambitions.