A visual guide to the Wuhan coronavirus

An outbreak of new coronavirus has sickened about 1,400 people worldwide and killed at least 41 in mainland China, while spreading to countries around the wo...

Posted: Jan 25, 2020 2:59 PM
Updated: Jan 27, 2020 10:15 AM

An outbreak of new coronavirus has sickened about 1,400 people worldwide and killed at least 41 in mainland China, while spreading to countries around the world.

Its emergence has fueled fears of a deadly epidemic as hundreds of millions of people travel in China, or around the Asian region, during the Lunar New Year holiday.

What is the virus?

Coronavirus is a large family of viruses, which include severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS).

Common symptoms include a runny nose, cough, sore throat, and possibly a headache. Those who have a weakened immune system, particularly the young and the elderly, are at risk of the virus turning into a more serious respiratory tract illness.

Authorities said the Wuhan coronavirus was passed from animals to humans; can be spread from person to person; and appears to cause pneumonia in people who have weakened immune systems.

It is thought to be milder that SARS and MERS and take longer to develop symptoms. Patients to date have typically experienced a mild cough for a week followed by shortness of breath, causing them to visit a hospital.

Experts are now trying to understand how it is being transmitted, who is at most risk and whether transmission is occurring mostly in hospitals or in the community.

In one instance, 14 doctors and nurses operating on a patient -- who was not known to be carrying the virus -- were all infected with it, suggesting it can be spread relatively easily.

Where is this happening?

Where it started: Ground zero

The outbreak emerged last month in the largest city in central China, Wuhan, a city of 11 million people in Hubei province.

Officials linked it to Huanan Seafood Wholesale Market, saying wild animals sold there are the likely source of the virus. The market has been closed since January 1 for disinfection and officials are scrambling to discover its animal source.

Snakes -- the Chinese krait and the Chinese cobra -- may be responsible for transmitting coronavirus to humans.

Scientists in China say that the virus might have jumped from bats to snakes, which were sold in the local seafood market in Wuhan, and then to humans.

However, how the virus could adapt to both the cold-blooded and warm-blooded hosts remains a mystery, and further tests are necessary to determine the source animal.

At least 30 people died in the province, many of them elderly and suffering from pre-existing conditions.

As deaths mount in the city, officials imposed a number of new measures including the postponement of New Year celebrations in Wuhan, a ban on tour agencies from bringing groups of people out of the city and thermal monitors and screening in public spaces.

Regional spread

From the first reported case in December, in Hubei province, the virus has spread to almost all of China's administrative regions this week.

The country has adopted prevention and control measures that are typically used for major outbreaks such as plague and cholera. This means health officials will get sweeping powers to lock down affected areas and quarantine patients.

Wuhan 'temporarily' closed its airport and railway stations on Thursday for departing passengers, and all public transport services are suspended until further notice.

The city's coronavirus task force also announced the closure of highways out of the city.

Meanwhile, the city made it mandatory for everyone to wear face masks in public places after confirmed coronavirus cases passed the 500 mark.

Unprecedented lockdown

Authorities in China have imposed indefinite travel restrictions in 15 cities in Hubei province, the most affected area in the country, impacting an estimated 32 million people.

Wuhan, a city of 11 million, is under effective lockdown, with all public transport in and out of the city closed.

Other cities across the province are under less severe travel restrictions.

A global threat: Confirmed cases around the world

The virus has spread well beyond mainland China, so far to 13 places including Hong Kong, Macau, Taiwan, Singapore, South Korea, Thailand, Japan, Vietnam, Australia and the United States.

Airports around the world have increased health screenings and implemented new quarantine procedures as officials race to slow the spread of the virus.

Various countries, including the US and the UK, have also issued travel advisories for Wuhan.

International flights from Wuhan

Wuhan is a major transportation hub.

Not only is the city a center for China's high-speed rail network, it has flights going to more than 60 international destinations from Tianhe International Airport.

On Thursday, as confirmed cases ramped up across the country, government officials announced the temporary closure of Wuhan's airport and railway stations.

All train tickets in and out of Wuhan have also been suspended, while multiple international airlines have canceled flights to the city.

China has encouraged passengers traveling to and from Wuhan to change their travel plans during the busy Lunar New Year holiday period, by exempting them from service charges for refunds for all modes of transport.

How does this compare to the SARS virus?

Scientists say the infectiousness of the virus is not as strong as SARS, but have added that the number of people infected is climbing.

A study by researchers in the UK estimated that the number of infections in Wuhan is still grossly underestimated, with the real number closer to 4,000 as of January 18, based on the spread of the virus to other cities and countries in a relatively short period of time.

SARS infected more than 8,000 people and killed 774 in a pandemic that ripped through Asia in 2002 and 2003.

On Thursday, David Heymann, the chairman of a World Health Organization committee gathering data on the outbreak, said the virus spreads more easily from person to person than previously thought.

But there is still much that is not known about the virus and, as the above graphic shows, its death rate is far smaller than that seen during the SARS outbreak.

Indiana Coronavirus Cases

Data is updated nightly.

Cases: 941120

Reported Deaths: 15315
CountyCasesDeaths
Marion1282511983
Lake633041097
Allen53609758
Hamilton43827447
St. Joseph41906590
Elkhart33545490
Vanderburgh30383448
Tippecanoe26820249
Johnson23609417
Hendricks22250341
Porter21737346
Clark17409229
Madison17366384
Vigo16108281
Monroe14466191
LaPorte14311239
Delaware14070221
Howard13865272
Kosciusko11418135
Hancock10841165
Warrick10674177
Bartholomew10542168
Floyd10430205
Wayne9959226
Grant9130204
Morgan8865160
Boone8389111
Dubois7710123
Dearborn762289
Henry7608130
Noble7413101
Marshall7362128
Cass7176117
Lawrence6957153
Shelby6584111
Jackson656785
Gibson6156107
Harrison603786
Huntington600195
Montgomery5805105
DeKalb574291
Knox5494104
Miami542488
Putnam536768
Clinton533665
Whitley524953
Steuben497268
Wabash483592
Jasper479160
Jefferson470092
Ripley454277
Adams444068
Daviess4169108
Scott405865
White391857
Clay390857
Greene388392
Decatur385296
Wells384983
Fayette374278
Posey359941
Jennings353156
Washington332047
LaGrange321375
Spencer317835
Fountain316555
Randolph312888
Sullivan307449
Owen283863
Starke280064
Fulton277553
Orange275859
Jay254837
Perry251652
Carroll243729
Franklin239338
Rush234130
Vermillion233250
Parke219820
Tipton209655
Pike207639
Blackford168334
Pulaski163551
Crawford146018
Newton144345
Benton142516
Brown135346
Martin128217
Switzerland125810
Warren114616
Union96911
Ohio79711
Unassigned0479

Ohio Coronavirus Cases

Data is updated nightly.

Cases: 1365800

Reported Deaths: 21596
CountyCasesDeaths
Franklin1522221560
Cuyahoga1344852327
Hamilton976051320
Montgomery670271141
Summit562091047
Lucas50900863
Butler47417655
Stark41580976
Lorain31567532
Warren30001331
Mahoning26963639
Clermont25628292
Lake24585417
Delaware22313145
Licking20487241
Fairfield20420221
Greene20309272
Trumbull19866509
Medina19796287
Clark17879328
Richland16314234
Portage16130229
Wood15681208
Allen14115256
Miami13786253
Muskingum12641152
Wayne11946238
Columbiana11708241
Tuscarawas10953269
Marion10725148
Pickaway10465129
Scioto10324127
Erie9747171
Ross9436176
Lawrence8755125
Hancock8458141
Ashtabula8317185
Geauga8173156
Belmont8140187
Jefferson7527172
Huron7423128
Union731851
Washington7183120
Athens697165
Sandusky6848134
Darke6756136
Knox6671122
Seneca6358137
Ashland5948113
Auglaize587188
Shelby5727101
Brown564171
Mercer557890
Defiance5483101
Madison543371
Crawford5425114
Highland541581
Fulton530683
Clinton525580
Logan512182
Preble4994110
Putnam4833106
Guernsey470364
Williams459282
Perry449852
Champaign445964
Ottawa436884
Jackson425362
Pike388843
Morrow383851
Fayette375853
Coshocton374766
Adams360675
Hardin359069
Gallia347356
Holmes3259108
Henry324668
Van Wert314670
Hocking301769
Wyandot280658
Carroll262652
Paulding242243
Meigs213942
Monroe189749
Noble169340
Morgan165829
Harrison157940
Vinton138118
Unassigned05
Fort Wayne
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Angola
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Huntington
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Decatur
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Van Wert
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Sunshine and warmer air return to round out the work week, but the warm-up is brief.
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