What exactly is in the vaccine from Johnson & Johnson-Janssen (and, what isn’t)?
Uncertainty and Misinformation VaccinesA: The active ingredient in the vaccine from Johnson & Johnson-Janssen (also called the J&J vaccine) is a genetically modified version of a virus that normally causes the common cold. The vaccine also contains two ingredients to balance its pH, ethanol, two ingredients that keep it from getting clumpy, salt, and water. It does NOT …