Satellite data suggests #coronavirus may have hit China earlier: researchers
— David Paulk 波大卫 (@davidpaulk) June 8, 2020
A team led by @johnbrownstein of @harvardmed “observed a dramatic increase in hospital traffic outside five major Wuhan hospitals beginning late summer and early fall 2019.” https://t.co/QUmdvKPles pic.twitter.com/rXGlDiUR8X
Wow. Satellite data shows dramatic increase in activity around Wuhan hospitals as early as late summer/fall 2019!👇
— Daniel E. Choi, MD (@drdanchoi) June 9, 2020
171 cars around this hospital in Oct 2018 vs 285 in Oct 2019
Also spike in web searches for #COVID symptoms around that time
Full link: https://t.co/4djEq8MRuq pic.twitter.com/mc7z6eVsGv
SpaceKnow looking at High Tech Center in Wuhan and the satellite data confirms that the area is back to work. pic.twitter.com/QOQ2GfcGpv
— Jeremy Fand (@jeremyfand) April 26, 2020



