Researchers at Pfizer and New York University are working on a never-before-tried coronavirus vaccine that the pharmaceutical company believes could be available by September. The vaccine, which carries genetic code known as “messenger RNA,” attempts to reprogram the deadly pathogen rather than manipulating the live virus. Read more on this story at NBCNews.com and watch NBC Nightly News with Lester Holt tonight at 6:30 p.m. ET/5:30 p.m. CT. |