Short Wave Why Herd Immunity Won't Save Us
Aug 10, 2020
Geoff Brumfiel, an NPR science correspondent, dives into the complexities of herd immunity in the COVID-19 pandemic. He challenges the idea that herd immunity is a viable strategy without a vaccine, discussing the risks of relying on natural infections. The conversation critiques policies from countries like Sweden and highlights the extensive time needed to achieve any form of immunity. Brumfiel emphasizes that COVID-19 is transitioning to an endemic state, urging ongoing measures like mask-wearing and testing to protect vulnerable populations.
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Sweden's Failed Experiment
- Sweden's light lockdown was a test case for natural herd immunity.
- It failed, with low infection rates, high death rates, and economic suffering.
Behavioral Change
- Natural herd immunity failed in Sweden because people changed their behavior to avoid infection.
- This demonstrates the impact of individual choices on virus spread.
South Korea's Success
- South Korea effectively controlled the virus spread through coordinated measures.
- This demonstrates that slowing transmission can make natural herd immunity unattainable.