Animal spillover? Lab leak? What the science says about the origins of COVID-19
Scientists have weighed in on the origins of SARS-CoV-2, with some supporting an animal spillover theory and others a lab leak theory.
Reported by 1 outlet — NPR Science. See all sources ↓
The debate over the origins of COVID-19 has started again. Scientists are discussing two main theories: an animal spillover and a lab leak. They are looking at Dr. Anthony Fauci's pandemic diaries for clues.
Why it matters
This debate matters because it can help us understand how the pandemic started and how to prevent future pandemics.
- What is an animal spillover?
- An animal spillover is when a virus from an animal jumps to a human.
- What is a lab leak?
- A lab leak is when a virus escapes from a laboratory.
- Who is Dr. Anthony Fauci?
- Dr. Anthony Fauci is a scientist who has been involved in the COVID-19 pandemic response.
How outlets are framing the same story
These are the main editorial angles found across reporting. Use them to quickly compare what different outlets emphasize, omit, or question.
The outlets frame the story as a scientific debate, with a focus on the theories and evidence.
- Coverage cardFraming signal1AngleScouting report
Scientists weigh in on the origins of COVID-19
Sources1TypeAngleNPR Scienceexamining the scientific evidence