33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
4494831
418127
2
Public Timelines
Public TimelinesFAQ
Public TimelinesFAQ
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
Create
Create a timeline
Public timelines
Library
FAQ

dec 31, 2019 - First cases arise, no evidence of human-to-human transmission

Description:

Chinese authorities report a cluster of 27 pneumonia cases but zero evidence of human-to-human transmission.

Added to timeline:

COVID-19: Timeline of Proven and Disproven Statements

Bydandom
28 Sep 2020
0
0
307

Date:

dec 31, 2019
Now
~ 5 years and 5 months ago
About & FeedbackTermsPrivacyLibraryFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL