Coronavirus models depicting the worst-case scenario show hundreds of millions infected and almost two million dead. Here are the details on these latest numbers released by the CDC.

As leaders around the world struggle to combat the coronavirus, some critics are concerned that Mexican President Andres Manuel Lopez Obrador isn't taking the challenge seriously enough despite forecasts that a major spike is on the horizon.

The former vice president has more than twice as much support as Bernie Sanders in Tuesday's Democratic primary. If he wins the nomination, Florida is projected once again to be a key swing state in November. Leer en español

A new announcement from the World Health Organization is now saying Europe has become the epicenter of the world's coronavirus pandemic. More than 137,000 people in different countries have been infected. While in the US the primary overarching goal is to slow down the rate of infection and make testing more available. Lorraine Caceres has the latest.

Some of the leading scientists hard at work developing a vaccine can be found in a laboratory in Texas. Pedro Rojas visited the facility to learn more about their work and check on their progress.

Joe Biden and Bernie Sanders are still scheduled to meet Sunday in a Univision CNN debate in Washington, DC. But one major participant will be absent: the audience. Luis Megid explains the possible implications.