As the virus makes copies of itself, errors may creep in, changing its genetic makeup. Researchers are trying to determine if the changes are significant.
Teams from Russia, China and Cuba have arrived in recent days to help Italy. There's gratitude — along with anger that the U.S., Italy's traditional ally, is absent.
The U.N. human rights chief says authorities should look for ways to release people in detention who are especially vulnerable to the disease, such as those who are elderly or who have health issues.
Italy's fatality rate hovers around 10%. France's is at around 5%. Yet Germany's fatality rate from COVID-19 is just 0.5%. As of March 25, there were 175 deaths and 34,055 cases.
Spain is now the second European country with a death toll higher than China's. Spain's health ministry says it is buying more than 5 million coronavirus "quick tests" from China.
Prince Charles is now in isolation in Scotland's Balmoral Castle with his wife Camilla, Duchess of Cornwall. He is displaying mild symptoms but 'remains in good health,' according to a statement.
"We want to organize the best Games possible," IOC President Thomas Bach said, adding that "this postponement will require sacrifices and compromises from all parties."