Before we get to the good news, the CDC finally changed the guidelines for time recommendation between 2 shots, making it 8 weeks instead of 3-4. https://www.theguardian.com/world/2...r-wait-between-first-and-second-vaccine-doses Interestingly enough, yours truly was advocating this more than a year ago!! It is not rocket surgery for Valentine's sake, just analyzing data. What took them so long? Pekelo >> CDC Anyhow, the new vaccine is more traditional type, made of proteins. https://www.cnn.com/2022/02/23/health/new-gsk-sanofi-vaccine-covid-19/index.html The vaccine is given in two doses delivered about three weeks apart. The phase 3 trials to test the vaccine enrolled more than 10,000 adults in the US, Asia, Africa and Latin America. A separate study is assessing a third dose of the vaccine as a booster. After two doses given to people with no antibodies against the SARS-CoV-2 virus, the vaccine was: 58% effective at preventing Covid-19 symptoms 75% effective at preventing moderate or severe Covid-19 100% effective against severe Covid-19 disease, including hospitalizations