More than 100 young children suffered seizures after receiving a COVID-19 vaccine, according to a new study. One hundred and four children under 6 years old suffered a seizure within 42 days of a COVID-19 shot, researchers with the U.S. Centers for Disease Control and Prevention (CDC) and other institutions found. Others suffered strokes, blood clotting disorders, and appendicitis, the researchers said. They analyzed health records from the Vaccine Safety Datalink, a CDC-funded network that features sites operated by Kaiser Permanente, Marshfield Clinic, Health Partners, and Denver Health. The researchers examined events that fit one or more of 23 prespecified...