119K views · 2.7K reactions | The new mRNA COVID vaccine uses established research to create a safe and effective defense against coronavirus. | Harvard University | Facebook

17K views · 156 reactions | Emerging vaccines offer hope that we can end the COVID-19 pandemic in the coming months. In our continuing video series on COVID-19 vaccines, Dr. William Schaffner, professor of Preventive Medicine and expert in infectious diseases, explains mRNA, a new type of vaccine to protect against infectious diseases. | Vanderbilt Health | Facebook

1.4M views · 10K reactions | The mRNA Covid-19 vaccines from Pfizer and Moderna will likely need a third dose as part of a full vaccine regimen, Dr. Anthony Fauci told CNN. "It isn’t as if the two doses of a vaccine are failing, it’s that the proper regimen will very likely ... be that three doses is really what you should be getting of an mRNA [vaccine]," he said. https://cnn.it/2X19P8u | CNN | Facebook