Coronavirus: Covid vaccines saved nearly 20 million lives, study finds | Science & Tech

Margaret Keenan, a 90-year-old British woman, received the first Covid-19 vaccine outside of clinical trials on December 8, 2020. A study published on Thursday in the medical journal The Lancet has modeled what would have happened without Covid-19 vaccines – in other words, how many lives did they save. According to the research, the vaccines prevented 19.8 million deaths, the equivalent of…