Since the beginning of the Covid-19 pandemic, scientists around the world have struggled to determine the origin of the coronavirus that caused it. Linfa Wang knows...
Healthy, young volunteers who have previously been infected with COVID-19 are deliberately exposed to a second coronavirus to see how the immune system responds as part...
The pandemic has opened a new era for vaccines developed with gene-based technologies, techniques that have long stumped scientists and pharmaceutical companies, suggesting the possibility of...
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