The islands of Qinghai Lake, more than 10,000 feet above sea level in north-western China, are well known to people who study pandemics.
- Will Dunn
Each year they provide a resting point for hundreds of thousands of birds as they migrate along the Central Asian and East Asian flyways.
Diseases brought here by birds can travel across these great migration routes, which join other flyways to span the globe.
Laurie Garrett had been at the…