Where do mutations come from that yield new variants? Is it possible that the most serious variants arise not in large populations, but in immunosuppressed individuals?
As much as people are justifiably excited about the prospect for orally available drugs that can prevent and treat Covid-19, I believe the FDA needs to tread very carefully with molnupiravir, the antiviral currently before them for approval.
The nucleases NSP14 and NSP15 seem to form one of the earliest and most troubling defenses the SARS-CoV-2 virus has evolved to defang the innate immune defense.
A recent study describes new methods to generate cartilage tissue from stem cells. This is a significant step towards developing innovative treatments for painful joints.
Each successive iteration of SARS-CoV-2 variant to date was more transmissible than the last. New variants drove multiple waves of Covid-19 throughout the world. Here, examine what happened in the past and present of the pandemic in order to understand…