Both Moderna and Pfizer say their vaccines do protect against new strains of the virus but may not be as effective against the South Africa variant.
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.
Researchers say poor air quality as a result of wildfires will cause thousands of additional deaths per year in the U.S.
Authorities said the 18-year-old high school student wrote a 129-page manifesto detailing plans to gain notoriety by shooting up a school.
An investigation has been launched after video posted to social media appears to show a Colorado Rockies coach in the plane's cockpit during flight.
