Many studies of what we call long COVID-19 are underway around the world as scientific and medical communities work to understand more about the virus and its long-term effects. More is being learned every day.
Novavax has created a fourth COVID-19 vaccine using moth cells and tree bark. In this article, find out how the Novavax vaccine is different from other COVID-19 vaccines.
On March 29, the U.S. Food & Drug Administration authorized a second booster (fourth dose) of mRNA vaccines (Pfizer or Moderna) for people 50 years and up. The same day, Centers for Disease Control and Prevention recommended the same.