That have mild or no symptoms, that have not been detected. Maybe even here, too

https://www.businessinsider.com/antarctica-last-continent-no-coronavirus-brazil-confirms-case-south-america-2020-2

Asia is by far the worst-affected continent, with China bearing the brunt. As of Tuesday, China had confirmed 78,064 cases, with 2,715 confirmed deaths.

South Korea is also struggling to contain the outbreak. The number of those infected jumped to 1,146 on Tuesday with most coming from members of a doomsday cult in Daegu.

In Europe, Italy is the worst-hit region. As of Wednesday, 11 people have died from the virus, and at least 322 people are infected. 12 towns have been placed under quarantine. France recorded its first death on Wednesday.

Iran is the Middle Eastern country contending with the most cases. At least 19 people there have died from the disease.

In Africa, there has only been one confirmed case, but experts fear there are far more yet to be reported.

North America is bracing for a rise in confirmed cases, but is yet to register a death.

There are 57 confirmed in the US, according to the Centres for Disease Control and Prevention, 39 of which came from the Diamond Princess cruise ship in Japan. There are 11 cases in Canada, according to its government.

Australia and Oceania have avoided serious infection so far. There are 15 confirmed cases in Australia, according to News 9.