Coronavirus vaccine testing begins in people as U.S. researchers give volunteer first experimental shot in Seattle.
After the injection, she left the exam room with a big smile: “I’m feeling great.”
This vaccine candidate, code-named mRNA-1273, was developed by the NIH and Massachusetts-based biotechnology company Moderna Inc. There’s no chance participants could get infected from the shots because they don’t contain the coronavirus itself. COVID-19 has upended the world’s social and economic fabric since China first identified the virus in January, with regions shuttering schools and businesses, restricting travel, canceling entertainment and sporting events, and encouraging people to stay away from each other.
Some of the study’s carefully chosen healthy volunteers, ages 18 to 55, will get higher dosages than others to test how strong the inoculations should be. Scientists will check for any side effects and draw blood samples to test if the vaccine is revving up the immune system, looking for encouraging clues like the NIH earlier found in vaccinated mice.
Researchers at the NIH copied the section of the virus’ genetic code that contains the instructions for cells to create the spike protein. Moderna encased that “messenger RNA” into a vaccine.
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