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Covid-19 timeline - early development
Click on an event to see more information or sources.
I try to add more events whenever I feel like to.
Created by
Chenchen Zhang
⟶ Updated 29 Mar 2020 ⟶
List of edits
Comments
David
Valuable record. Thank you for creating this timeline.
8 Apr 2020
test
nice job
30 Mar 2020
Events
Dec 27, Dr Zhang Jixian notices something unusual with 4 patients' CT scan and reports this to health authorities
Dec 30, Wuhan Health Commission circulates an internal notice on a new pneumonia with unknown causes
Dec 1, date of illness onset of earliest known case according to an article in The Lancet
Dec 31, Wuhan Health Commission informs the public about 27 cases of a new pneumonia with unknown causes. It says "no clear evidence of human-to-human transmission".
Dec 31, WHO is informed of a new pneumonia with unknown causes
Jan 1, Huanan Seafood Market is closed
Dec 30, Dr Li Wenliang warns his colleagues about a SARS-like new disease in a private WeChat group after seeing a testing report from a Beijing-based lab "CapitalBio"
Dec 31, an expert team from the National Health Commission is sent to Wuhan
Jan 1, Wuhan Public Security Bureau (Police Department) announces 8 people have been punished for spreading rumour about the the new pneumonia
Jan 3, Wuhan health authority reports 44 cases in total and 'no clear evidence of human-to-human transmission'
Jan 5, Wuhan Health Authority reports 59 cumulative cases of pneumonia with unknown causes "no clear of evidence of human-to-human transmission"
Dec 24, a doctor at Wuhan Central Hospital sends a sample from a patient with penumonia to a Guangzhou-based gene sequencing company
Dec 27, a Guangzhou based company, BGI, obtains genetic sequencing data of the new coronavirus with High-throughput sequencing technology
Jan 3, Shanghai Public Health Centre receives a sample from Wuhan CDC
Jan 5, Shanghai Public Health Clinical Centre obtains sequencing data of the new virus and reports it to local and national health authorities
Jan 6, Wuhan Two Sessions open
Jan 15, Thailand reports the first case outside China
Jan 6, Chinese CDC internally activates Level 2 emergency response
Jan 9, Chinese authorities officially announce the identification of a novel coronavirus as the pathogen of the new disease
Jan 11, a top expert, Dr Wang Guangfa of Peking University Hospital says the new infectious disease is 'preventable and controllable'
Jan 14, a patient of Dr Xia Sisi was diagnosed with covid-19 according to a state media report on 23 Feb. Yet no new cases reported by Wuhan authorities between 6-17 Jan
Jan 3, Dr Li Wenliang signs a "Letter of Reprimand" at a local police station for 'spreading rumors'
Jan 2, Dr Ai Fen of Wuhan Central Hospital is reprimanded by superiors
Jan 10, Dr Li Wenliang begins to develop symptoms
Jan 11, Wuhan Health Commission reports 41 cumulative cases of pneumonia caused by the noval coronavirus and 1 death (the numer was 59 on Jan 5) "No clear evidence of human-to-human transmission" "No evidence of infection of medical workers"
Jan 10, Wuhan Two Sessions end
Jan 11, Hubei Two Sessions begin
Jan 17, Hubei Two Sessions end
Jan 16, Wuhan Health Commission reports no new cases. "Limited human-to-human transmission cannot be precluded" "Low risk of sustained human-to-human transmission"
Jan 18, Wuhan Health Commission reports 4 new cases
Jan 19, WHC reports 17 new cases; 62 cumulative cases
Jan 18, a residential community in Wuhan, "Baibuting", held a massive banquet with 40,000 families attending
Jan 20, Zhong Nanshan states that there is clear evidence of human-to-human transmission and infection of medical workers He says that 14 medical workers are known to have been infected
Jan 20, Xi Jinping gives "important instructions" on containing the coronavirus outbreak
Jan 22, Hubei activates Level 2 responses to public health emergency
Jan 23, Wuhan goes on lockdown
Jan 23, Zhejiang, Guangdong, Hunan activate Level 1 emergency response
Jan 24, Hubei activates Level 1 emergency response
Jan 24, the first medical aid teams from other provinces arrive in Wuhan on the New Year's Eve 42,000 medical workers will arrive in the following months
Feb 3, the number of new cases peaks in provinces outside Hubei
Jan 11, China CDC publicly shares the gene sequence of the novel coronavirus
Nov 17, according to SCMP, classified 'government data' seen by SCMP shows the earliest case can be traced back to Nov 17
Jan 9, first reported death: a 61 year old man dies of Covid-19
Jan 20, Dr Wang Guangfa tests positive
Feb 7, Dr Li Wenliang dies of covid-17
Jan 3, the National Health Commission issues a document that demands labs destroy the samples in their possession and not disclose any information to the public
Jan 16, Japan reports its first case
Jan 6, chest CT image of a doctor at Xinhua Hospital shows pathological changes Hospital leadership emphasizes this must not be disclosed to the media or the public
Jan 16, Dr Liang Wudong's (Xinhua Hospital) CT scan shows severe lung infection He dies of covid-19 on Jan 25
Jan 25, Dr Liang Wudong of Xinhua Hospital dies of Covid-19 He was the first medical professional victim.
Dec 27, Wuhan Central Hospital sends a sample to a Beijing-based lab "CapitalBio"
Dec 30, "CapitalBio" sends the testing results back to Wuhan Central Hospital: "SARS coronavirus"
Dec 30, Wuhan Institute of Virology receives a sample from Jinyintan Hospital
Jan 2, Wuhan Institute of Virology obtains genetic sequence data of the new virus
Jan 5, the team from Shanghai Public Health Clinical Centre (Fudan University) submits the viral sequence to NCBI database
Jan 20, Beijing and Shenzhen report the first cases (confirmed Jan 19) outside Wuhan within China As of Jan 20, 244 cumulative cases are reported nationwide: 198 in Wuhan, 5 in Beijing, 14 in Guangdong
Periods
No new cases reported by Wuhan health authorities
