The Intelligence from The Economist Protein shake-up: getting to know Omicron
Dec 13, 2021
Hal Hudson, a science writer for The Economist, discusses the Omicron variant's rapid emergence and significant mutations impacting vaccine efficacy. He emphasizes its ability to evade antibodies while the cellular immune system remains protective. The conversation also delves into Southeast Asia’s methamphetamine crisis and the ineffectiveness of punitive treatment centers. Hudson explores a unique initiative in Madagascar involving mouse lemurs, highlighting their promise in modeling human diseases like Alzheimer’s, bridging the gap between conservation and medical research.
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Omicron's Rapid Spread
- Omicron is spreading rapidly, prompting concern from leaders like Boris Johnson.
- Two vaccine doses may not provide sufficient protection, necessitating urgent action.
Omicron's Mutations
- Omicron has many mutations on its spike protein, affecting its binding and immune response.
- This could mean reduced immune protection but potentially better binding to cells.
Impact on Immunity
- Omicron evades some immunity from vaccines or prior infection, especially antibodies.
- Cellular immunity likely still offers strong protection against severe disease and death.