What's the difference between the major Covid-19 vaccines?
Covid-19 vaccines In 2020, if a person contracted Covid-19, on average, they would spread it to two or three other people. Those two or three other people would, on average, spread it to another two or three. And so on, and so on. One out of every 200 people who became infected died. In one year, this virus killed over two million people worldwide. Now let’s back up: Throughout human history only 25 diseases have ever been tackled with vaccines now they are being developed to fight the coronavirus that causes covid-19 and while vaccines normally require many years of research and testing scientists in 2020 took less than a year to come up with defenses against the sars kovi ii virus what's the difference between the major covert 19 vaccines as of January 2021 at least six vaccines have been developed paving the way for the jabs to reach the arms of millions of people. In mass vaccination campaigns, other shots developed by china's kansano Russia's vector institute and Indi...