The U.S. Food and Drug Administration issued an emergency use authorization for the third COVID-19 vaccine developed by Johnson & Johnson. Still, how could this happen? Blais never stopped wearing personal protective equipment at work or masking outside her home. She got infected where she least expected it. "I had a direct exposure from a close family member," she said. Blais was hesitant to share her experience because she was concerned about the comments anti-vaxxers may make and that people who are vaccine-hesitant may become even more so. But, doctors say what happened to Blais is proof the vaccine works.