Two scientists have won the Nobel Prize in physiology or medicine for their discovery of microRNA, tiny bits of genetic material that serve as on and off switches inside cells that help control what the cells do and when they do it.

JACKSONVILLE, Fla. – One of the doctors who created the technology behind the COVID-19 vaccine hopes anyone refusing to get the shot out of fear it was created too fast will realize that’s simply not true. AdA moment of relief watching doses of the Pfizer vaccine shipping out was clouded by the fact that having a vaccine doesn’t mean anything unless people are willing to get the shot. A truck loaded with the Pfizer-BioNTech COVID-19 vaccine leaves the Pfizer Global Supply Kalamazoo manufacturing plant in Portage, Mich., Sunday, Dec. 13, 2020. Baptist Health Executive Vice President and Chief Physician Executive Dr. Elizabeth Ransom explains how the COVID-19 vaccine works. The technology is not newIt all comes down to this mRNA technology.