December 31 – China alerted the WHO to several cases of pneumonia in Wuhan
The virus is unknown at this point. China alerted the World Health Organization (WHO) to cases of pneumonia from Wuhan, a number of those infected worked at the Huanan Seafood Market and were put into quarantine.
January 1 – Huanan market is closed down
January 5 – Chinese officials ruled out the possibility that this was a recurrence of the severe acute respiratory syndrome (SARS) virus – an illness that originated in China and killed more than 770 people worldwide in 2002-2003.
January 7 – They announced they had identified a new virus, according to the WHO. The novel virus was named 2019-nCoV and was identified as belonging to the coronavirus family, which includes SARS and the common cold.
January 11 – First coronavirus death reported
A 61-year-old man, who was admitted to hospital on December 27 with suspected fever, dies from the virus in Wuhan. China revises the number of people infected with the virus down to 41.
January 13 – The WHO reported a case in Thailand, the first outside of China, a woman who had arrived from Wuhan.
Eight other people with possible symptoms have also been held at the state treatment facility but none had been confirmed to have the virus.
January 16 – Japan’s health ministry reported a confirmed case of a man who had also visited Wuhan. A man in his 30s from Kanagawa prefecture, next to Tokyo, tested positive after being treated for pneumonia.
January 17 – A second death was reported in Wuhan.
A 69-year-old man was admitted to hospital with abnormal renal function and severe damage to multiple organs and died on 15 January
Health authorities in the United States announced that three airports would start screening passengers arriving from the city.
Authorities in the US, Nepal, France, Australia, Malaysia, Singapore, South Korea, Vietnam and Taiwan confirmed cases over the following days.
January 20 – China reported a third death and more than 200 infections, with cases also reported outside Hubei province including in the capital, Beijing, Shanghai and Shenzhen.
The National IHR Focal Point (NFP) for Republic of Korea reported the first case of novel coronavirus in the Republic of Korea.
Chinese President Xi Jinping announced that the virus has to be contained.
Chinese health experts have confirmed that human-to-human transmission is affirmative.
January 22 – The death toll in China jumped to 17 with more than 550 infections. Many European airports stepped up checks on flights from Wuhan.
WHO postpones decision on declaring China coronavirus a global health emergency.
January 23 – Wuhan was placed under effective quarantine as air and rail departures were suspended.
The same measures were announced for two more cities in Hubei province: Xiantao and Chibi.
Beijing cancelled events for the Lunar New Year, starting on January 25, while officials reported the first death outside of Hubei.
January 24 – The death toll in China stood at 26, with the government reporting more than 830 infections.
The number of cities under lockdown in Hubei rose to 13, affecting 41 million people.
Shanghai Disneyland shut down and some cities announced the closure of entertainment venues. Beijing said a section of the Great Wall and other famous landmarks would also be closed.
January 25 – Travel restrictions were imposed on a further five cities in Hubei province, taking the overall number of people affected to 56 million.
Hong Kong meanwhile declared a virus emergency, cancelled Lunar New Year celebrations and restricted links to mainland China.
January 26 – The death toll rose to 56, with almost 2,000 cases confirmed as travel restrictions were increased and Hong Kong closed its Disneyland and Ocean Park theme parks.
New cases were confirmed in the US, Taiwan, Thailand, Japan and South Korea.
January 27 – The death toll in China rose to 106, with 100 in Hubei province, authorities reported. Another 4,515 people in China were reported to be infected. There were 2,714 confirmed cases in Hubei province, up from 1,423 the day before.
January 30 – The WHO declared coronavirus a global emergency as the death toll in China jumped to 170, with 7,711 cases reported in the country, where the virus has now spread to each of the 31 provinces.
India and the Philippines confirmed their first cases of the virus, with one infected patient in each country.
January 31 – The number of confirmed cases in China jumped to 9,809. Russia, Spain, Sweden and the United Kingdom confirmed their first cases of the virus.
February 1 -The death toll in China rose to 259, with 11,791 confirmed infections in the country, according to new figures released by the Chinese health authority.
New cases were confirmed in Australia, Canada, Germany, Japan, Singapore, the US, the United Arab Emirates (UAE) and Vietnam.
February 2 -The first death outside of China was reported in the The Philippines. The patient was a Chinese man from Wuhan.
The death toll in China rose to 304, with 14,380 infections reported.
February 3 – China reported 57 new fatalities, bringing its death toll to at least 361. The number of cases rose to 17,205 people across the country.
February 4 – Death toll inside China hits 425 with 19,967 confirmed infections inside China.
Related article: 6 Coronavirus questions facing scientists right now.