by Leiden University SARS-CoV-2 S–Specific Immune Responses. Credit: DOI: 10.1056/NEJMoa2116747 A coronavirus booster shot provides a better immune response against COVID-19 than a single vaccine dose. mRNA boosters are the most effective upon receiving Janssen. These are the results of a collaborative study between several organizations, including the Leiden University Medical Center (LUMC). The findings...
