>>9247383 (pb)
This is an update for OP given the new information we know about cell phone/telemetry/internet & social media posting and searching. Source: https://www.documentcloud.org/documents/6884792-MACE-E-PAI-COVID-19-ANALYSIS-Redacted.html Note that this is the source referred to by NBC in their original reporting.
Between October 6-11, 2019
Hazardous event occurs at Wuhan Institute of Virology (WIV) BSL-4 Lab.
October 11, 2019
Area surrounding WIV BSL-4 Lab goes on lockdown.
October 19-27, 2019
World Military Games event is held in Wuhan. Many athletes have come forward in recent weeks saying they were sick at the games or immediately afterwards. Ex:
https://www.dailymail.co.uk/news/article-8327047/More-competitors-reveal-ill-World-Military-Games.html
https://www.news18.com/news/sports/new-revelations-from-world-military-games-participants-hint-at-covid-19-spread-in-china-in-october-2625391.html
https://www.mirror.co.uk/news/uk-news/french-army-returned-wuhan-military-21988912
November 3-9, 2019
The 2019 International Workshop on Biosafety Laboratory Management and Techniques was supposed to be hosted by WIV, however the annual even was quietly cancelled and never took place.
November 17, 2019
Researchers discover the beginning of a spike in Internet and Social Media searches related to "SARS", "Feidian", "coronavirus", "shortness of breath", "dyspnea", and "diarrhea". This may indicate the virus was already widely spreading.
November 26-28, 2019
A series of "suspicious" visits to the WIV BSL-4 Lab are detected. It appears the visitor might have been "a member of the Emerging Infectious Desease team and Duke-NUS in Singapore".
December 1, 2019
A Chinese scientific paper in The Lancet reported the first known patient came down with flu-like symptoms.