As the virus that causes the COVID-19 illness spreads around the world, governments have a chance to "break the chains of transmission," WHO Director-General Tedros Adhanom Ghebreyesus says.
As the world watches the outbreak of a novel coronavirus, epidemiologists are watching simulations of that outbreak on their computers to try to predict what might happen next.
On Super Tuesday, the field of Democratic presidential candidates narrows. The CDC confirms coronavirus cases in 12 states. And in Israel's election, votes are still being counted.
African nations are taking the coronavirus seriously. In Kenya, the government is facing a lawsuit over allowing flights from China to enter the country.
"We have never before seen a respiratory pathogen that is capable of community transmission but which can also be contained with the right measures," the WHO's Tedros Adhanom Ghebreyesus said.