Last Thursday I flew to the Sehulea health center, on an island off Papua New Guinea, through the only hole in the sky we’d had for months.
Last Thursday I flew to Sehulea health centre through the only hole in the sky for months.
What can a single person’s flu infection tell you about how the virus changes around the world? Genome researchers are discovering that new genetic technologies are letting us look at flu evolution right where it starts: within individual people, while they're sick.
Evolution is usually very slow, a process of change that takes thousands or millions of years to see.