All Things Considered

Weekdays 3:30 p.m. to 5:30 p.m. and weekends 4:00 p.m. to 5:00 p.m
  • Hosted by Melissa Block, Michele Norris & Robert Siegal

Since its debut in 1971, this afternoon radio newsmagazine has delivered in-depth reporting and transformed the way listeners understand current events and view the world. Heard by more than 13 million* people on over 600 radio stations each week, All Things Considered is one of the most popular programs in America. Every weekday, hosts Melissa Block, Michele Norris, and Robert Siegel present two hours of breaking news mixed with compelling analysis, insightful commentaries, interviews, and special -- sometimes quirky -- features. Guy Raz hosts a one-hour edition of the program on Saturday and Sunday.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

A sitting duck. That's what South America was a few years ago when Zika first struck. The continent had never recorded a case of the mosquito-borne virus. And everyone was susceptible.

"So you get this huge raging epidemic that blows through the population, usually very fast and infects a pretty high percentage of the population," says Justin Lessler, an epidemiologist at the Johns Hopkins Bloomberg School of Public Health.

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