Carnival begins next week in Rio de Janeiro and two million people are expected to pack the streets each day. But the nation is currently in the midst of a yellow fever outbreak and that has health officials worried. VOA's Kevin Enochs reports.
This year’s flu season in the U.S. is the worst in 15 years and health officials predict there are weeks of sickness ahead. One company’s “smart thermometer” is tracking how the flu is spreading across the country in real time by gathering data every time someone takes a temperature. Michelle Quinn reports.