It's pretty simple. You ask all the first people who got sick what they were doi...

		Aunche on Feb 1, 2020 \| parent \| context \| favorite \| on: Wuhan seafood market may not be source of novel vi... It's pretty simple. You ask all the first people who got sick what they were doing over the past couple weeks. It's the same way they identified that Chipotle had an E Coli problem.