January 22, 2019, 5 p.m. by Bryan Nelson
Here's a welcome, unexpected side effect of vaccines.
Sneeze girl gets a diagnosis
December 8, 2009, 11:20 a.m.
Video: Lauren Johnson, the girl who appeared on the <i>Today</i> show last month after sneezing constantly for more than a week, updates Meredith Viera on her condition.
Another wave of swine flu?
December 4, 2009, 9:48 a.m.
Video: While the latest government figures show a dramatic downturn in the number of H1N1 cases, some doctors are expecting a third wave.
Brazilian town full of twins
November 23, 2009, 12:37 p.m.
Video: The town of Cândido Godói in Brazil is experiencing something that might make a great premise for a <i>Twilight Zone</i> episode -- the rate of twin births is almost 1000% above the global average.