A new study shows that some people may have immune systems that are supercharged to fight SARS-CoV-2. These are people who were infected early in the pandemic and then immunized with an mRNA vaccine. CGTN’s Karina Huber reports. @cgtnamericaCGTNchinaChina newsCoronaviruscoronavirus immune systemCOVID-19COVID19immune systemIMMUNITYNetworknewsTelevisionVITAMINRelated Posts Persistent immune activation and MS explosion #diseaseprevention April 13, 2026 Cicada COVID Variant Spreading in U.S. | What Doctors Want You to Know Now April 12, 2026 New COVID Variant Affecting Kids April 7, 2026 What to know about ‘Cicada,’ the new COVID-19 variant #shorts April 6, 2026 New ‘Cicada’ COVID variant detected as experts urge caution April 4, 2026 New COVID variant spreading April 2, 2026