Diseases, Conditions, Syndromes

US tracking of virus variants has improved after slow start

After a slow start, the United States has improved its surveillance system for tracking new coronavirus variants such as omicron, boosting its capacity by tens of thousands of samples per week since early this year.

Medical research

Building a better vaccine for SARS-CoV-2

Previous research has shown that the spike (S) protein of -CoV-2 binds to a host cell receptor, facilitating viral entry. Research has also shown that SARS-CoV-2 variants that lose the furin cleavage site at the spike protein ...

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