Messenger RNA vaccines for COVID-19 By May 31, 2021 It is important for truthful scientific information regarding messenger RNA (m-RNA) COVID-19 vaccines, both Pfizer and Moderna, to become widely understood by Americans. During clinical studies m-RNA vaccines for COVID-19 were 80% effective starting 7 days after the first injection, and 95% effective starting 7 days after the second injection. The Israeli Health Ministry has observed Pfizers coronavirus vaccine to be 99% effective in preventing hospitalization, serious disease and death for those who are past two weeks from the second dose. m-RNA coronavirus vaccines are extremely effective in the real world a week after the second dose, just as demonstrated in clinical studies. A recentstudy observed 94.5% & 94.2% effectiveness, respectively, of Moderna & Pfizer vaccines against developing any COVID-19 related disease, and 100% & 92% effectiveness, respectively, for Moderna & Pfizer vaccines against developing severe disease. Another recentstudy observed the Pfizer vaccine to have strong effectiveness against the Brazilian and British variants of SARS-CoV-2, and lower but very impressive effectiveness against the South African variant.