Health

1. PhotoCreditPiero Cruciatti/Agence France-Presse — Getty Images

   All of Italy’s 60 million people are coming under restrictions that had applied to the northern part of the country. The death toll in the United States hit 26.

2. PhotoCreditJim Wilson/The New York Times

   With more than 500 cases in almost three dozen states, officials worry that containment efforts aren’t enough.

   By Denise Grady

3. 1. PhotoCredit

      Oil prices crashed and bond yields tumbled. The S&P 500 had its worst day in more than a decade.

   2. PhotoCreditLucy Nicholson/Reuters

      Washington State, a center of the virus outbreak, holds its primary Tuesday. Officials — and the presidential candidates — know there could be much bigger challenges to come.

      By Kirk Johnson and Campbell Robertson

1. PhotoCreditThe known locations of people who have tested positive in the U.S.

   Maps show the extent of the coronavirus outbreak and the number of cases and deaths by state.

   By Mitch Smith, Amy Harmon, Jeremy White, Keith Collins, Allison McCann and Jin Wu

2. PhotoCreditAgence France-Presse — Getty Images

   In locked-down cities like Wuhan, isolated seniors and disabled people have largely had to fend for themselves.

   By Li Yuan

3. PhotoCredit

   He once blamed vaccines for autism. Now he’s demanding the quick development of one for the coronavirus, but shows limited understanding of the science.

   By Jan Hoffman

4. PhotoCreditTom Jamieson for The New York Times

   A mathematician who studies the spread of disease explains some of the figures that keep popping up in coronavirus news.

   By James Gorman

5. PhotoCreditBrittainy Newman/The New York Times

   Here’s what to do if you feel sick and are worried it may be the coronavirus.

   By The New York Times