AP Photo/Rick Rycroft
- A deadly coronavirus that originated in China has killed more than 1,500 people and infected more than 66,000. (For the latest case total and death toll, see Business Insider's live updates here.)
- Here's what you need to know about the virus in 30 seconds.
- Visit Business Insider's homepage for more stories.
A deadly coronavirus outbreak that originated in Wuhan, China, in December is spreading across the globe.
Here's the latest on the virus and how the world is trying to stop it.
The coronavirus family: The viruses in this large group typically affect the respiratory tract. This particular one — now known as COVID-19 — had never been seen in humans before this outbreak.
- Symptoms: Patients have reported symptoms similar to those associated with pneumonia, such as fever, coughing, fatigue, difficulty breathing, and a sore throat.
- How it spreads: The virus can be transmitted between people through respiratory droplets such as saliva or mucus. Scientists think it can probably be passed before a person shows symptoms.
- The coronavirus name: All viruses in the family have an external structure that features little crown-like spikes. In Latin, corōna means crown.
- Other coronaviruses cause SARS, MERS, and pneumonia.
Where it came from: Many researchers think the coronavirus jumped from animals to people at the Huanan Seafood Wholesale Market. The market closed down on January 1.
- A group of scientists initially suggested that the virus might have hopped from bats to snakes, then to humans. But more recent studies suggest that it likely spread from bats to a mammal — potentially pigs, civets, or pangolins — before jumping to people. A direct hop from bats is also possible.
Cases so far: At least 66,887 cases had been confirmed internationally as of Wednesday. Of those, 66,292 are in mainland China.
- Several studies, models, and experts suggest the true number of infected patients is likely far higher than the current count.
- Death count: At least 1,523 patients have died as of Wednesday. At least two deaths have occurred outside mainland China: a 44-year-old man in the Philippines and a 39-year-old man in Hong Kong.
- Countries affected: The virus has spread to at least 26 countries, including China.
- The US has recorded 15 cases across six states: eight in California, two in Illinois, and one each in Arizona, Massachusetts, Texas, Washington, and Wisconsin.
- Avoid contact with people who display cold or flu symptoms, such as coughing or runny noses.
- Wash your hands frequently with soap and water, making sure to scrub for at least 20 seconds. Avoid touching the eyes, nose, or mouth with unwashed hands.
- Face masks aren't necessary outside of China: The Centers for Disease Control and Prevention does not recommend face masks for the general US public at this time.
Efforts to contain the outbreak:
- Quarantines: Chinese authorities have quarantined the Hubei province, effectively placing more than 50 million people on lockdown.
- Travel restrictions: Countries including Australia, Italy, Japan, South Korea, New Zealand, and the US have canceled or reduced flights to and from China.
- The US has temporarily barred foreign nationals who have been in China within the past 14 days from entering the country, with exceptions for immediate family of American citizens and permanent residents.
- Some countries, including the US, have evacuated citizens from the Hubei province.
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