

Stresses of strains: emerging coronavirus variants
Jan 5, 2021
Jeff Carr, Science editor at The Economist, dives into the alarming emergence of highly transmissible coronavirus variants from Britain and South Africa. He discusses their potential impacts on public health and vaccine effectiveness, underscoring the need for enhanced surveillance and adaptive strategies. The podcast also touches on the troubling opioid crisis in the U.S., highlighted by a significant lawsuit against Walmart for its role. Additionally, it explores the challenges employees face in managing unused vacation days during the pandemic.
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More Transmissible Variants
- Two new COVID-19 variants, one from Britain and one from South Africa, share a common mutation.
- This mutation in the spike protein makes them more transmissible, but not more dangerous.
Vaccine Effectiveness
- Current vaccines likely remain effective against new variants due to multiple antibody and T-cell responses.
- However, future mutations could potentially impact vaccine efficacy, requiring adjustments.
Importance of Surveillance
- Constant surveillance for new mutations is crucial for staying ahead of the virus's evolution.
- The tools are available to track these changes, but countries need to prioritize this effort.