The FDA was set to emergency authorize the treatment, but top health officials said there isn't enough supporting data.
The CDC says "the data do not support an association of COVID-19 vaccination with sudden cardiac death among previously healthy young persons."
The technology system called Health Acoustic Representations (HeAR) was trained on millions of audio clips of human sounds from the YouTube database.
Researchers studied the man and determined he had more COVID antibodies but experienced no side effects from being hypervaccinated.
The National Weather Service's Storm Prediction Center forecast hail, flash floods and possible tornadoes in Kansas and Nebraska.
A Gallup poll found 57% of Americans think more sleep could improve their state of being, which is a stark difference from its previous data.
France expects to hold the games' opening ceremony in an unusual open-air setting on the River Seine, which may bring unique security problems.
