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Mapping the Coronavirus Outbreak Across the World

By Cedric Sam, Chloe Whiteaker, Hannah Recht and Demetrios Pogkas

Mainland ChinaCases: 80,026
Deaths: 2,912
South KoreaCases: 4,212
Deaths: 22
ItalyCases: 1,694
Deaths: 34
IranCases: 1,501
Deaths: 66
JapanCases: 244
Deaths: 6

Health authorities around the world are on high alert as an outbreak of Covid-19, a pneumonia-like illness, has spread from the Chinese city of Wuhan to 68 countries and territories—affecting every continent— in the course of a month. It has shuttered cities as far away as in Italy, shaken financial markets and caused airlines to cancel flights globally. On Feb. 27, the head of the World Health Organization said the outbreak has the potential to become a pandemic.
The new coronavirus that causes Covid-19—renamed SARS-CoV-2—is thought to have spread from a food market in the central China metropolis that’s home to more than 11 million people. The large majority of cases and deaths have been in mainland China, but that trend is changing as new hot spots pop up in South Korea, Italy and Iran. So far, there have been 144 deaths linked to the virus outside mainland China: in Iran, Italy, South Korea, Japan, France, Hong Kong, the U.S., Australia, the Philippines, Thailand and Taiwan.
Confirmed cases worldwide
Deaths worldwide
Jurisdictions with cases confirmed as of
  • 1–9
  • 10–99
  • 100–999
  • 1,000–9,999
  • 10,000 or more

More Coverage From Bloomberg

China first reported the outbreak on Dec. 30, and by Jan. 23 authorities had locked down Hubei province, where Wuhan is the capital, and restricted travel in other regions just before the country’s largest holiday, Lunar New Year. Usually the busiest travel period in Asia, tens of millions of people were forced to stay home as offices, schools and factories stayed shuttered.

Confirmed Cases in Mainland China by Province

As of
  • 1–9
  • 10–99
  • 100–999
  • 1,000–9,999
  • 10,000 or more
While the virus is deadly for some, many who have it experience mild symptoms or no symptoms at all, making it much harder to detect and contain. More than 70 governments have responded by banning entry to travelers who have been to affected regions, barring flights to certain countries and changing visa requirements, according to data compiled by the International Air Transport Association. The restrictions and virus fears have hit the airline industry particularly hard, with many suspending multiple routes and thousands of employees being laid off or placed on unpaid leave.

These Are the Places Restricting Travel Because of the Outbreak

As of
Bans travel from:
  • Various places with confirmed cases
  • Mainland China, Hong Kong or Macau, and Taiwan
  • Mainland China and Hong Kong or Macau
  • Mainland China only
  • Select provinces
Sources: IATA; Bloomberg News reporting
Much is still unknown about the virus, but about 2% of Chinese patients with confirmed cases have died. Some researchers estimate the mortality rate will be closer to 1% once all cases are counted. Covid-19 appears to be deadlier than seasonal influenza, but far less deadly than SARS, MERS or Ebola.

Rise in Confirmed Cases in Mainland China Since Jan. 20

Data as of
On Feb. 12, Hubei officials began including patients who were diagnosed with CT lung scans absent a nucleic acid test, resulting in a jump of nearly 15,000 more cases. According to the WHO, most of those cases were days or weeks old. The methodology has been revised several times since then.
While the worst may be over for China, the rest of the world is trying to prepare. New cases in other countries surpassed those reported in China for the first time on Feb. 27. Shortages of face masks, hand sanitizer and cleaning supplies are now spreading as far as New York City, where there’s yet to be a single confirmed case, as residents prepare for the worst.


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