Chancellor Angela Merkel of Germany said on Wednesday that about two-thirds of the country’s population could become infected, according to a “consensus of experts.” The estimate is not wildly out of line with those of officials outside Germany.

“The Daily”: Today’s episode is about what China and South Korea have done right in their efforts to contain the virus.

Another angle: Following President Trump’s lead, many commentators on conservative media outlets have played down fears about the virus. “Sadly, these viruses pop up time to time,” the Fox News host Sean Hannity said this week. “Pandemics happen, time to time.”

A non-concession concession speech

Senator Bernie Sanders said on Wednesday that he was “losing the debate over electability” to Joe Biden but stopped short of accepting defeat in the Democratic presidential race, as he challenged the former vice president to address a list of policy issues, including health care and income inequality.

News analysis: “Despite Mr. Biden’s success during the last two weeks of primaries, he will need to make gains with some key Sanders constituencies — not only younger liberals but also Latinos across several age brackets — to build the most formidable coalition possible,” our reporters write. “He will almost certainly need Mr. Sanders’s help to get there.”

The details: If Mr. Sanders were to have any chance at winning a majority of delegates before the Democratic convention, he would need to perform much better than he has so far. Here are some possible outcomes for the remaining primaries.