Timeline of the coronavirus: How handful of pneumonia cases in China's Wuhan turned into global health emergency
The coronavirus, which surfaced in a Chinese seafood and poultry market late last year, has spread to 24 countries, killing more than 1,000 and sickening tens of thousands of people in a matter of weeks
The coronavirus, which surfaced in a Chinese seafood and poultry market late last year, has spread to 24 countries, killing more than 1,000 and sickening tens of thousands of people in a matter of weeks. The World Health Organisation has declared the situation a global health emergency.
Here’s a timeline of what we know so far about the outbreak.
Chinese authorities were treating dozens of cases of pneumonia of unknown cause.
On 31 December, the government in Wuhan, China, confirmed that health authorities were treating dozens of cases. Days later, researchers in China identified a new virus behind an illness that had infected dozens of people in Asia. At the time, there was no evidence that the virus was readily spread by humans. Health officials in China were monitoring it to ensure that the outbreak would not develop into something more severe.
China reported its first death.
On 11 January, Chinese State media reported the first known death from the illness caused by the virus, which had infected dozens of people in China. The 61-year-old man who died was a regular customer at the market in Wuhan, where the illness is thought to have originated, and he had previously been found to have abdominal tumours and chronic liver disease. The report of his death came just before one of China’s biggest holidays, when hundreds of millions of people travel across the country.
Other countries, including the United States, confirmed cases.
The first confirmed cases of the coronavirus outside mainland China occurred in Japan, South Korea and Thailand, according to the WHO’s first situation report published 20 January. The first confirmed case in the US came the next day in Washington state, where a man in his 30s developed symptoms after returning from a trip to Wuhan.
Wuhan, a city of more than 11 million, was cut off by Chinese authorities.
After Chinese officials urged people not to travel to or from Wuhan, severe travel restrictions were put in place. On 23 January, authorities closed off Wuhan by canceling planes and trains leaving the city and suspending buses, subways and ferries within it. At this point, at least 17 people had died and more than 570 others had been infected, including in Taiwan, Japan, Thailand, South Korea and the US.
The World Health Organisation declared a global health emergency.
Amid thousands of new cases in China, a “public health emergency of international concern” was officially declared on 30 January by the WHO. The country’s foreign ministry spokeswoman said that China would continue to work with the WHO and other countries to protect public health, and the US State Department warned travellers to avoid China.
Airlines suspended service to China, while the Donald Trump administration restricted entry into the US.
On 31 January, Delta Air Lines, American Airlines and United Airlines said they would suspend service, for at least two months, between the US and mainland China. The Trump administration said it would suspend entry into the US by any foreign nationals who had travelled to China in the last 14 days, excluding the immediate family members of US citizens or permanent residents. By this date, 213 people had died and nearly 9,800 had been infected worldwide.
The first coronavirus death was reported outside China.
A 44-year-old man in the Philippines died after being infected by the coronavirus, officials said on 2 February. The man’s death was the first reported outside China. By this point, the number of deaths had risen to more than 360.
Hundreds, mostly Americans, were evacuated from Hubei province.
About 350 people, mostly Americans, who were evacuated from Hubei province in China, arrived in California on 5 February. The group would be held at Travis Air Force Base in Fairfield, California, and at Marine Corps Air Station Miramar in San Diego for 14 days, which is the maximum time it takes a person to become sick after being exposed to the coronavirus. By 13 February, the number of coronavirus cases in the US had risen to 15 in seven states.
A cruise ship in Japan quarantined thousands.
On 5 February, after a two-week trip to Southeast Asia, more than 3,600 passengers began their 14-day quarantine aboard the Diamond Princess cruise ship in Yokohama, Japan. Officials began screening passengers, and the number of people who tested positive became the largest number of coronavirus cases outside of China. By 13 February, the number stood at 218.
A Chinese doctor who tried to warn others died from the coronavirus.
When Dr Li Wenliang, a Chinese doctor, died on 7 February after contracting the coronavirus, he was hailed as a hero by many for his attempt to sound early alarms that a cluster of infections could spin out of control.
In early January, authorities tried to silence him when he was called in by both medical officials and the police, and he was forced to sign a statement denouncing his warning as an unfounded and illegal rumor. Li’s death provoked anger and frustration at how the Chinese government mishandled the situation by not sharing information earlier and by silencing whistleblowers.
The death toll in China surpassed the number SARS killed worldwide.
On 10 February, the death toll in China rose to 908, surpassing the global number of dead from the SARS epidemic in 2002-03, which killed 774. At this point, the number of confirmed cases of infection in the country had risen to 40,171.
The death toll in China topped 1,000.
Chinese officials said the death toll had reached 1,016 while the number of infections had grown to 42,638 on 11 February. A US citizen died in Wuhan, officials said on 8 February; it was the first known American death.
The Communist Party fired top officials of Hubei Province and Wuhan.
China’s ruling Community Party ousted Jiang Chaoliang, the party secretary of Hubei province, and Ma Guoqiang, the top official in Wuhan, on 13 February amid widespread public outrage over the handling of the outbreak.
There were more than 14,000 new cases in Hubei province.
Officials added more than 14,840 cases to the total number of infected in Hubei province. That set a daily record, coming after officials in Hubei seemed to be including infections diagnosed by using lung scans of symptomatic patients.
Derrick Bryson Taylor c.2020 The New York Times Company
"During our study, we couldn't detect viral particles in the cardiac tissues of COVID-19 patients, but what we found was tissue changes associated with DNA damage and repair,"
Most of the cases have been reported from North 24 Parganas, Howrah, Kolkata, Hooghly, Murshidabad, South 24 Parganas, Jalpaiguri and Darjeeling districts
Cross-border freight train services were suspended in late April, after China's border town of Dandong reported coronavirus outbreaks, reports said at the time. Pyongyang confirmed its own Omicron variant outbreak soon after